2.1 prerelease, part 2 of 3

git-svn-id: https://svn.java.net/svn/essentials~svn/trunk2.1@1015 e251c2fe-e539-e718-e476-b85c1f46cddb

18 files changed, 5390 insertions, 0 deletions

diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/GMConfiguration.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/GMConfiguration.java
new file mode 100644
index 000000000..68253eccc
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/GMConfiguration.java
@@ -0,0 +1,120 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.Map;
+import java.util.logging.Level;
+import org.anjocaido.groupmanager.utils.Tasks;
+import org.yaml.snakeyaml.Yaml;
+import org.yaml.snakeyaml.constructor.SafeConstructor;
+import org.yaml.snakeyaml.reader.UnicodeReader;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class GMConfiguration {
+
+    private GroupManager plugin;
+    private Map<String, Object> rootDataNode;
+    private File configFile;
+
+    public GMConfiguration(GroupManager plugin) {
+        this.plugin = plugin;
+        load();
+    }
+
+    public void load() {
+        if (!plugin.getDataFolder().exists()) {
+            plugin.getDataFolder().mkdirs();
+        }
+        configFile = new File(plugin.getDataFolder(), "config.yml");
+
+        if (!configFile.exists()) {
+            try {
+                Tasks.copy(plugin.getResourceAsStream("config.yml"), configFile);
+            } catch (IOException ex) {
+                GroupManager.logger.log(Level.SEVERE, null, ex);
+            }
+        }
+
+        Yaml yaml = new Yaml(new SafeConstructor());
+        FileInputStream rx = null;
+        try {
+            rx = new FileInputStream(configFile);
+        } catch (FileNotFoundException ex) {
+            GroupManager.logger.log(Level.SEVERE, null, ex);
+        }
+        try {
+            rootDataNode = (Map<String, Object>) yaml.load(new UnicodeReader(rx));
+            if (rootDataNode == null) {
+                throw new NullPointerException();
+            }
+        } catch (Exception ex) {
+            throw new IllegalArgumentException("The following file couldn't pass on Parser.\n" + configFile.getPath(), ex);
+        } finally {
+            try {
+                rx.close();
+            } catch (IOException ex) {
+            }
+        }
+        adjustLoggerLevel();
+    }
+
+    public Map<String, Object> getMirrorsMap() {
+        if (rootDataNode.get("settings") instanceof Map) {
+            Map<String, Object> settingsNode = (Map<String, Object>) rootDataNode.get("settings");
+            if (settingsNode.get("permission") instanceof Map) {
+                Map<String, Object> permissionNode = (Map<String, Object>) settingsNode.get("permission");
+                if (permissionNode.get("world") instanceof Map) {
+                    Map<String, Object> worldsNode = (Map<String, Object>) permissionNode.get("world");
+                    if (worldsNode.get("mirror") instanceof Map) {
+                        Map<String, Object> mirrorsNode = (Map<String, Object>) worldsNode.get("mirror");
+                        return mirrorsNode;
+                    }
+                }
+            }
+        }
+        return null;
+    }
+
+    public Integer getSaveInterval() {
+        if (rootDataNode.get("settings") instanceof Map) {
+            Map<String, Object> settingsNode = (Map<String, Object>) rootDataNode.get("settings");
+            if (settingsNode.get("data") instanceof Map) {
+                Map<String, Object> dataNode = (Map<String, Object>) settingsNode.get("data");
+                if (dataNode.get("save") instanceof Map) {
+                    Map<String, Object> saveNode = (Map<String, Object>) dataNode.get("save");
+                    if (saveNode.get("minutes") instanceof Integer) {
+                        return (Integer) saveNode.get("minutes");
+                    }
+                }
+            }
+        }
+        return 10;
+    }
+
+    public void adjustLoggerLevel() {
+        if (rootDataNode.get("settings") instanceof Map) {
+            Map<String, Object> settingsNode = (Map<String, Object>) rootDataNode.get("settings");
+            if (settingsNode.get("logging") instanceof Map) {
+                Map<String, Object> loggingNode = (Map<String, Object>) settingsNode.get("logging");
+                if (loggingNode.get("level") instanceof String) {
+                    String level = (String) loggingNode.get("level");
+                    try {
+                        GroupManager.logger.setLevel(Level.parse(level));
+                        return;
+                    } catch (Exception e) {
+                    }
+                }
+            }
+        }
+        GroupManager.logger.setLevel(Level.INFO);
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java
new file mode 100644
index 000000000..2ea0007b0
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java
@@ -0,0 +1,1634 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager;
+
+import org.anjocaido.groupmanager.permissions.AnjoPermissionsHandler;
+import org.anjocaido.groupmanager.utils.GroupManagerPermissions;
+import org.anjocaido.groupmanager.data.Variables;
+import org.anjocaido.groupmanager.data.User;
+import org.anjocaido.groupmanager.data.Group;
+import org.anjocaido.groupmanager.dataholder.OverloadedWorldHolder;
+import org.anjocaido.groupmanager.dataholder.WorldDataHolder;
+import java.io.File;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder;
+import org.anjocaido.groupmanager.utils.GMLoggerHandler;
+import org.anjocaido.groupmanager.utils.PermissionCheckResult;
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.ConsoleCommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.PluginDescriptionFile;
+import org.bukkit.plugin.java.JavaPlugin;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class GroupManager extends JavaPlugin {
+
+    private File configFile;
+    private File backupFolder;
+    private Runnable commiter;
+    private ScheduledThreadPoolExecutor scheduler;
+    private Map<String, ArrayList<User>> overloadedUsers = new HashMap<String, ArrayList<User>>();
+    private Map<CommandSender, String> selectedWorlds = new HashMap<CommandSender, String>();
+    private WorldsHolder worldsHolder;
+    private boolean validateOnlinePlayer = true;
+    private boolean isReady = false;
+    private GMConfiguration config;
+    public static final Logger logger = Logger.getLogger(GroupManager.class.getName());
+
+    @Override
+    public void onDisable() {
+        if (worldsHolder != null) {
+            worldsHolder.saveChanges();
+        }
+        disableScheduler();
+        // EXAMPLE: Custom code, here we just output some info so we can check all is well
+        PluginDescriptionFile pdfFile = this.getDescription();
+        System.out.println(pdfFile.getName() + " version " + pdfFile.getVersion() + " is disabled!");
+    }
+
+    @Override
+    public void onEnable() {
+        GroupManager.logger.setUseParentHandlers(false);
+        GMLoggerHandler ch = new GMLoggerHandler();
+        GroupManager.logger.addHandler(ch);
+        logger.setLevel(Level.ALL);
+        if (worldsHolder == null) {
+            prepareFileFields();
+            prepareConfig();
+            worldsHolder = new WorldsHolder(this);
+        }
+
+        PluginDescriptionFile pdfFile = this.getDescription();
+        if (worldsHolder == null) {
+            GroupManager.logger.severe("Can't enable " + pdfFile.getName() + " version " + pdfFile.getVersion() + ", bad loading!");
+            this.getServer().getPluginManager().disablePlugin(this);
+            throw new IllegalStateException("An error ocurred while loading GroupManager");
+        }
+
+        enableScheduler();
+        System.out.println(pdfFile.getName() + " version " + pdfFile.getVersion() + " is enabled!");
+    }
+
+    public InputStream getResourceAsStream(String fileName) {
+        return this.getClassLoader().getResourceAsStream(fileName);
+    }
+
+    private void prepareFileFields() {
+        configFile = new File(this.getDataFolder(), "config.yml");
+        backupFolder = new File(this.getDataFolder(), "backup");
+        if (!backupFolder.exists()) {
+            getBackupFolder().mkdirs();
+        }
+    }
+
+    private void prepareConfig() {
+        config = new GMConfiguration(this);
+    }
+
+    public void enableScheduler() {
+        if (worldsHolder != null) {
+            disableScheduler();
+            commiter = new Runnable() {
+
+                @Override
+                public void run() {
+                    GroupManager.this.worldsHolder.saveChanges();
+                }
+            };
+            scheduler = new ScheduledThreadPoolExecutor(1);
+            int minutes = getConfig().getSaveInterval();
+            scheduler.scheduleAtFixedRate(commiter, minutes, minutes, TimeUnit.MINUTES);
+            GroupManager.logger.info("Scheduled Data Saving is set for every " + minutes + " minutes!");
+        }
+    }
+
+    public void disableScheduler() {
+        if (scheduler != null) {
+            try {
+                scheduler.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
+                scheduler.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
+                scheduler.shutdown();
+            } catch (Exception e) {
+            }
+            scheduler = null;
+            GroupManager.logger.info("Scheduled Data Saving is disabled!");
+        }
+    }
+
+    /**
+     * Use the WorldsHolder saveChanges directly instead
+     * Saves the data on file
+     */
+    @Deprecated
+    public void commit() {
+        if (worldsHolder != null) {
+            worldsHolder.saveChanges();
+        }
+    }
+
+    /**
+     * Use worlds holder to reload a specific world
+     * Reloads the data
+     */
+    @Deprecated
+    public void reload() {
+        worldsHolder.reloadAll();
+    }
+
+    public WorldsHolder getWorldsHolder() {
+        return worldsHolder;
+    }
+
+    /**
+     * The handler in the interface created by AnjoCaido
+     * @return
+     */
+    @Deprecated
+    public AnjoPermissionsHandler getPermissionHandler() {
+        return worldsHolder.getDefaultWorld().getPermissionsHandler();
+    }
+
+    /**
+     *  A simple interface, for ones that don't want to mess with overloading.
+     * Yet it is affected by overloading. But seamless.
+     * @return the dataholder with all information
+     */
+    @Deprecated
+    public WorldDataHolder getData() {
+        return worldsHolder.getDefaultWorld();
+    }
+
+    /**
+     *  Use this if you want to play with overloading.
+     * @return  a dataholder with overloading interface
+     */
+    @Deprecated
+    public OverloadedWorldHolder getOverloadedClassData() {
+        return worldsHolder.getDefaultWorld();
+    }
+
+    /**
+     * Called when a command registered by this plugin is received.
+     * @param sender 
+     * @param cmd 
+     * @param args
+     */
+    @Override
+    public boolean onCommand(CommandSender sender, Command cmd, String commandLabel, String[] args) {
+        boolean playerCanDo = false;
+        boolean isConsole = false;
+        Player senderPlayer = null;
+        Group senderGroup = null;
+        User senderUser = null;
+
+
+        //DETERMINING PLAYER INFORMATION
+        if (sender instanceof Player) {
+            senderPlayer = (Player) sender;
+            senderUser = worldsHolder.getWorldData(senderPlayer).getUser(senderPlayer.getName());
+            senderGroup = senderUser.getGroup();
+            if (worldsHolder.getWorldPermissions(senderPlayer).has(senderPlayer, "groupmanager." + cmd.getName())) {
+                playerCanDo = true;
+            }
+        } else if (sender instanceof ConsoleCommandSender) {
+            isConsole = true;
+        }
+
+        //PERMISSIONS FOR COMMAND BEING LOADED
+        OverloadedWorldHolder dataHolder = null;
+        AnjoPermissionsHandler permissionHandler = null;
+
+        if (senderPlayer != null) {
+            dataHolder = worldsHolder.getWorldData(senderPlayer);
+        }
+
+        String selectedWorld = selectedWorlds.get(sender);
+        if (selectedWorld != null) {
+            dataHolder = worldsHolder.getWorldData(selectedWorld);
+        }
+
+        if (dataHolder != null) {
+            permissionHandler = dataHolder.getPermissionsHandler();
+        }
+
+        //VARIABLES USED IN COMMANDS
+
+
+        int count;
+        PermissionCheckResult permissionResult = null;
+        ArrayList<User> removeList = null;
+        String auxString = null;
+        List<Player> match = null;
+        User auxUser = null;
+        Group auxGroup = null;
+        Group auxGroup2 = null;
+
+        GroupManagerPermissions execCmd = null;
+        try {
+            execCmd = GroupManagerPermissions.valueOf(cmd.getName());
+        } catch (Exception e) {
+            //this error happened once with someone. now im prepared... i think
+            GroupManager.logger.severe("===================================================");
+            GroupManager.logger.severe("=              ERROR REPORT START                 =");
+            GroupManager.logger.severe("===================================================");
+            GroupManager.logger.severe("=  COPY AND PASTE THIS TO GROUPMANAGER DEVELOPER  =");
+            GroupManager.logger.severe("===================================================");
+            GroupManager.logger.severe(this.getDescription().getName());
+            GroupManager.logger.severe(this.getDescription().getVersion());
+            GroupManager.logger.severe("An error occured while trying to execute command:");
+            GroupManager.logger.severe(cmd.getName());
+            GroupManager.logger.severe("With " + args.length + " arguments:");
+            for (String ar : args) {
+                GroupManager.logger.severe(ar);
+            }
+            GroupManager.logger.severe("The field '" + cmd.getName() + "' was not found in enum.");
+            GroupManager.logger.severe("And could not be parsed.");
+            GroupManager.logger.severe("FIELDS FOUND IN ENUM:");
+            for (GroupManagerPermissions val : GroupManagerPermissions.values()) {
+                GroupManager.logger.severe(val.name());
+            }
+            GroupManager.logger.severe("===================================================");
+            GroupManager.logger.severe("=              ERROR REPORT ENDED                 =");
+            GroupManager.logger.severe("===================================================");
+            sender.sendMessage("An error occurred. Ask the admin to take a look at the console.");
+        }
+
+        if (isConsole || playerCanDo) {
+            switch (execCmd) {
+                case manuadd:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    auxGroup = dataHolder.getGroup(args[1]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group not found!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!isConsole && (senderGroup != null ? permissionHandler.inGroup(auxUser.getName(), senderGroup.getName()) : false)) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player with same permissions than you, or higher.");
+                        return false;
+                    }
+                    //PARECE OK
+                    auxUser.setGroup(auxGroup);
+                    sender.sendMessage(ChatColor.YELLOW + "You changed player '" + auxUser.getName() + "' group to '" + auxGroup.getName() + "'.");
+
+                    return true;
+                //break;
+                case manudel:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!isConsole && (senderGroup != null ? permissionHandler.inGroup(auxUser.getName(), senderGroup.getName()) : false)) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player with same permissions than you, or higher.");
+                        return false;
+                    }
+                    //PARECE OK
+                    dataHolder.removeUser(auxUser.getName());
+                    sender.sendMessage(ChatColor.YELLOW + "You changed player '" + auxUser.getName() + "' to default settings.");
+
+                    return true;
+                case manuaddsub:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    auxGroup = dataHolder.getGroup(args[1]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group not found!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!isConsole && (senderGroup != null ? permissionHandler.inGroup(auxUser.getName(), senderGroup.getName()) : false)) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player with same permissions than you, or higher.");
+                        return false;
+                    }
+                    //PARECE OK
+                    auxUser.addSubGroup(auxGroup);
+                    sender.sendMessage(ChatColor.YELLOW + "You changed player '" + auxUser.getName() + "' group to '" + auxGroup.getName() + "'.");
+
+                    return true;
+                case manudelsub:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!isConsole && (senderGroup != null ? permissionHandler.inGroup(auxUser.getName(), senderGroup.getName()) : false)) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player with same permissions than you, or higher.");
+                        return false;
+                    }
+                    //PARECE OK
+                    auxUser.removeSubGroup(auxGroup);
+                    sender.sendMessage(ChatColor.YELLOW + "You removed subgroup '" + auxGroup.getName() + "' from player '" + auxUser.getName() + "' list.");
+
+                    return true;
+                case mangadd:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup != null) {
+                        sender.sendMessage(ChatColor.RED + "Group already exists!");
+                        return false;
+                    }
+                    //PARECE OK
+                    auxGroup = dataHolder.createGroup(args[0]);
+                    sender.sendMessage(ChatColor.YELLOW + "You created a group named: " + auxGroup.getName());
+
+                    return true;
+                case mangdel:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group not exists!");
+                        return false;
+                    }
+                    //PARECE OK
+                    dataHolder.removeGroup(auxGroup.getName());
+                    sender.sendMessage(ChatColor.YELLOW + "You deleted a group named " + auxGroup.getName() + ", it's users are default group now.");
+
+                    return true;
+                case manuaddp:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO SUA PERMISSAO
+                    if (!isConsole && (senderGroup != null ? permissionHandler.inGroup(auxUser.getName(), senderGroup.getName()) : false)) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player with same group than you, or higher.");
+                        return false;
+                    }
+                    permissionResult = permissionHandler.checkFullUserPermission(senderUser, args[1]);
+                    if (!isConsole && (permissionResult.resultType.equals(PermissionCheckResult.Type.NOTFOUND)
+                            || permissionResult.resultType.equals(PermissionCheckResult.Type.NEGATION))) {
+                        sender.sendMessage(ChatColor.RED + "Can't add a permission you don't have.");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO DO DESTINO
+                    permissionResult = permissionHandler.checkUserOnlyPermission(auxUser, args[1]);
+                    if (args[1].startsWith("+")) {
+                        if (permissionResult.resultType.equals(PermissionCheckResult.Type.EXCEPTION)) {
+                            sender.sendMessage(ChatColor.RED + "The user already has direct access to that permission.");
+                            sender.sendMessage(ChatColor.RED + "Node: " + permissionResult.accessLevel);
+                            return false;
+                        }
+                    } else if (args[1].startsWith("-")) {
+                        if (permissionResult.resultType.equals(PermissionCheckResult.Type.EXCEPTION)) {
+                            sender.sendMessage(ChatColor.RED + "The user already has an exception for this node.");
+                            sender.sendMessage(ChatColor.RED + "Node: " + permissionResult.accessLevel);
+                            return false;
+                        } else if (permissionResult.resultType.equals(PermissionCheckResult.Type.NEGATION)) {
+                            sender.sendMessage(ChatColor.RED + "The user already has a matching node ");
+                            sender.sendMessage(ChatColor.RED + "Node: " + permissionResult.accessLevel);
+                            return false;
+                        }
+                    } else {
+                        if (permissionResult.resultType.equals(PermissionCheckResult.Type.FOUND)) {
+                            sender.sendMessage(ChatColor.RED + "The user already has direct access to that permission.");
+                            sender.sendMessage(ChatColor.RED + "Node: " + permissionResult.accessLevel);
+                            return false;
+                        }
+                    }
+                    //PARECE OK
+                    auxUser.addPermission(args[1]);
+                    sender.sendMessage(ChatColor.YELLOW + "You added '" + args[1] + "' to player '" + auxUser.getName() + "' permissions.");
+                    return true;
+                //break;
+                case manudelp:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO SUA PERMISSAO
+                    if (!isConsole && (senderGroup != null ? permissionHandler.inGroup(auxUser.getName(), senderGroup.getName()) : false)) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player with same group than you, or higher.");
+                        return false;
+                    }
+                    permissionResult = permissionHandler.checkFullUserPermission(senderUser, args[1]);
+                    if (!isConsole && (permissionResult.resultType.equals(PermissionCheckResult.Type.NOTFOUND)
+                            || permissionResult.resultType.equals(PermissionCheckResult.Type.NEGATION))) {
+                        sender.sendMessage(ChatColor.RED + "Can't remove a permission you don't have.");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO DO DESTINO
+                    permissionResult = permissionHandler.checkUserOnlyPermission(auxUser, args[1]);
+                    if (permissionResult.resultType.equals(PermissionCheckResult.Type.NOTFOUND)) {
+                        sender.sendMessage(ChatColor.RED + "The user doesn't have direct access to that permission.");
+                        return false;
+                    }
+                    if (!auxUser.hasSamePermissionNode(args[1])) {
+                        sender.sendMessage(ChatColor.RED + "This permission node doesn't match any node.");
+                        sender.sendMessage(ChatColor.RED + "But might match node: " + permissionResult.accessLevel);
+                        return false;
+                    }
+                    //PARECE OK
+                    auxUser.removePermission(args[1]);
+                    sender.sendMessage(ChatColor.YELLOW + "You removed '" + args[1] + "' from player '" + auxUser.getName() + "' permissions.");
+
+                    return true;
+                //break;
+                case manulistp:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO PERMISSAO
+                    //PARECE OK
+                    auxString = "";
+                    for (String perm : auxUser.getPermissionList()) {
+                        auxString += perm + ", ";
+                    }
+                    if (auxString.lastIndexOf(",") > 0) {
+                        auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                        sender.sendMessage(ChatColor.YELLOW + "The player '" + auxUser.getName() + "' has following permissions: " + ChatColor.WHITE + auxString);
+                        sender.sendMessage(ChatColor.YELLOW + "And all permissions from group: " + auxUser.getGroupName());
+                        auxString = "";
+                        for (String subGroup : auxUser.subGroupListStringCopy()) {
+                            auxString += subGroup + ", ";
+                        }
+                        if (auxString.lastIndexOf(",") > 0) {
+                            auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                            sender.sendMessage(ChatColor.YELLOW + "And all permissions from subgroups: " + auxString);
+                        }
+                    } else {
+                        sender.sendMessage(ChatColor.YELLOW + "The player '" + auxUser.getName() + "' has no specific permissions.");
+                        sender.sendMessage(ChatColor.YELLOW + "Only all permissions from group: " + auxUser.getGroupName());
+                        auxString = "";
+                        for (String subGroup : auxUser.subGroupListStringCopy()) {
+                            auxString += subGroup + ", ";
+                        }
+                        if (auxString.lastIndexOf(",") > 0) {
+                            auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                            sender.sendMessage(ChatColor.YELLOW + "And all permissions from subgroups: " + auxString);
+                        }
+                    }
+                    return true;
+                case manucheckp:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO PERMISSAO
+                    permissionResult = permissionHandler.checkFullUserPermission(auxUser, args[1]);
+                    if (permissionResult.resultType.equals(PermissionCheckResult.Type.NOTFOUND)) {
+                        sender.sendMessage(ChatColor.RED + "The player doesn't have access to that permission");
+                        return false;
+                    }
+                    //PARECE OK
+                    //auxString = permissionHandler.checkUserOnlyPermission(auxUser, args[1]);
+                    if (permissionResult.owner instanceof User) {
+                        if (permissionResult.resultType.equals(PermissionCheckResult.Type.NEGATION)) {
+                            sender.sendMessage(ChatColor.RED + "The user has directly a negation node for that permission.");
+                        } else {
+                            sender.sendMessage(ChatColor.YELLOW + "The user has directly this permission.");
+                        }
+                        sender.sendMessage(ChatColor.YELLOW + "Permission Node: " + permissionResult.accessLevel);
+                    } else if (permissionResult.owner instanceof Group) {
+                        if (permissionResult.resultType.equals(PermissionCheckResult.Type.NEGATION)) {
+                            sender.sendMessage(ChatColor.RED + "The user inherits the a negation permission from group: " + permissionResult.owner.getName());
+                        } else {
+                            sender.sendMessage(ChatColor.YELLOW + "The user inherits the permission from group: " + permissionResult.owner.getName());
+                        }
+                        sender.sendMessage(ChatColor.YELLOW + "Permission Node: " + permissionResult.accessLevel);
+                    }
+                    return true;
+                case mangaddp:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group does not exists!");
+                        return false;
+                    }
+                    //VALIDANDO SUA PERMISSAO
+                    permissionResult = permissionHandler.checkFullUserPermission(senderUser, args[1]);
+                    if (!isConsole && (permissionResult.resultType.equals(PermissionCheckResult.Type.NOTFOUND)
+                            || permissionResult.resultType.equals(PermissionCheckResult.Type.NEGATION))) {
+                        sender.sendMessage(ChatColor.RED + "Can't add a permission you don't have.");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO DO DESTINO
+                    permissionResult = permissionHandler.checkGroupOnlyPermission(auxGroup, args[1]);
+                    if (args[1].startsWith("+")) {
+                        if (permissionResult.resultType.equals(PermissionCheckResult.Type.EXCEPTION)) {
+                            sender.sendMessage(ChatColor.RED + "The group already has direct access to that permission.");
+                            sender.sendMessage(ChatColor.RED + "Node: " + permissionResult.accessLevel);
+                            return false;
+                        }
+                    } else if (args[1].startsWith("-")) {
+                        if (permissionResult.resultType.equals(PermissionCheckResult.Type.EXCEPTION)) {
+                            sender.sendMessage(ChatColor.RED + "The group already has an exception for this node.");
+                            sender.sendMessage(ChatColor.RED + "Node: " + permissionResult.accessLevel);
+                            return false;
+                        } else if (permissionResult.resultType.equals(PermissionCheckResult.Type.NEGATION)) {
+                            sender.sendMessage(ChatColor.RED + "The group already has a matching node.");
+                            sender.sendMessage(ChatColor.RED + "Node: " + permissionResult.accessLevel);
+                            return false;
+                        }
+                    } else {
+                        if (permissionResult.resultType.equals(PermissionCheckResult.Type.FOUND)) {
+                            sender.sendMessage(ChatColor.RED + "The user already has direct access to that permission.");
+                            sender.sendMessage(ChatColor.RED + "Node: " + permissionResult.accessLevel);
+                            return false;
+                        }
+                    }
+                    //PARECE OK
+                    auxGroup.addPermission(args[1]);
+                    sender.sendMessage(ChatColor.YELLOW + "You added '" + args[1] + "' to group '" + auxGroup.getName() + "' permissions.");
+
+                    return true;
+                case mangdelp:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group does not exists!");
+                        return false;
+                    }
+                    //VALIDANDO SUA PERMISSAO
+                    permissionResult = permissionHandler.checkFullUserPermission(senderUser, args[1]);
+                    if (!isConsole && (permissionResult.resultType.equals(PermissionCheckResult.Type.NOTFOUND)
+                            || permissionResult.resultType.equals(PermissionCheckResult.Type.NEGATION))) {
+                        sender.sendMessage(ChatColor.RED + "Can't remove a permission you don't have.");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO DO DESTINO
+                    permissionResult = permissionHandler.checkGroupOnlyPermission(auxGroup, args[1]);
+                    if (permissionResult.resultType.equals(PermissionCheckResult.Type.NOTFOUND)) {
+                        sender.sendMessage(ChatColor.RED + "The group doesn't have direct access to that permission.");
+                        return false;
+                    }
+                    if (!auxGroup.hasSamePermissionNode(args[1])) {
+                        sender.sendMessage(ChatColor.RED + "This permission node doesn't match any node.");
+                        sender.sendMessage(ChatColor.RED + "But might match node: " + permissionResult.accessLevel);
+                        return false;
+                    }
+                    //PARECE OK
+                    auxGroup.removePermission(args[1]);
+                    sender.sendMessage(ChatColor.YELLOW + "You removed '" + args[1] + "' from group '" + auxGroup.getName() + "' permissions.");
+
+                    return true;
+                case manglistp:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group does not exists!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+
+                    //PARECE OK
+                    auxString = "";
+                    for (String perm : auxGroup.getPermissionList()) {
+                        auxString += perm + ", ";
+                    }
+                    if (auxString.lastIndexOf(",") > 0) {
+                        auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                        sender.sendMessage(ChatColor.YELLOW + "The group '" + auxGroup.getName() + "' has following permissions: " + ChatColor.WHITE + auxString);
+                        auxString = "";
+                        for (String grp : auxGroup.getInherits()) {
+                            auxString += grp + ", ";
+                        }
+                        if (auxString.lastIndexOf(",") > 0) {
+                            auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                            sender.sendMessage(ChatColor.YELLOW + "And all permissions from groups: " + auxString);
+                        }
+
+                    } else {
+                        sender.sendMessage(ChatColor.YELLOW + "The grpup '" + auxGroup.getName() + "' has no specific permissions.");
+                        auxString = "";
+                        for (String grp : auxGroup.getInherits()) {
+                            auxString += grp + ", ";
+                        }
+                        if (auxString.lastIndexOf(",") > 0) {
+                            auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                            sender.sendMessage(ChatColor.YELLOW + "Only all permissions from groups: " + auxString);
+                        }
+
+                    }
+                    return true;
+                case mangcheckp:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group does not exists!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    permissionResult = permissionHandler.checkGroupPermissionWithInheritance(auxGroup, args[1]);
+                    if (permissionResult.resultType.equals(PermissionCheckResult.Type.NOTFOUND)) {
+                        sender.sendMessage(ChatColor.RED + "The group doesn't have access to that permission");
+                        return false;
+                    }
+                    //PARECE OK
+                    //auxString = permissionHandler.checkUserOnlyPermission(auxUser, args[1]);
+                    if (permissionResult.owner instanceof Group) {
+                        if (permissionResult.resultType.equals(PermissionCheckResult.Type.NEGATION)) {
+                            sender.sendMessage(ChatColor.RED + "The group inherits the a negation permission from group: " + permissionResult.owner.getName());
+                        } else {
+                            sender.sendMessage(ChatColor.YELLOW + "The user inherits the permission from group: " + permissionResult.owner.getName());
+                        }
+                        sender.sendMessage(ChatColor.YELLOW + "Permission Node: " + permissionResult.accessLevel);
+
+                    }
+                    return true;
+                case mangaddi:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group 1 does not exists!");
+                        return false;
+                    }
+                    auxGroup2 = dataHolder.getGroup(args[1]);
+                    if (auxGroup2 == null) {
+                        sender.sendMessage(ChatColor.RED + "Group 2 does not exists!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (permissionHandler.searchGroupInInheritance(auxGroup, auxGroup2.getName(), null)) {
+                        sender.sendMessage(ChatColor.RED + "Group " + auxGroup.getName() + " already inherits " + auxGroup2.getName() + " (might not be directly)");
+                        return false;
+                    }
+                    //PARECE OK
+                    auxGroup.addInherits(auxGroup2);
+                    sender.sendMessage(ChatColor.RED + "Group  " + auxGroup2.getName() + " is now in " + auxGroup.getName() + " inheritance list.");
+
+                    return true;
+                case mangdeli:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group 1 does not exists!");
+                        return false;
+                    }
+                    auxGroup2 = dataHolder.getGroup(args[1]);
+                    if (auxGroup2 == null) {
+                        sender.sendMessage(ChatColor.RED + "Group 2 does not exists!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!permissionHandler.searchGroupInInheritance(auxGroup, auxGroup2.getName(), null)) {
+                        sender.sendMessage(ChatColor.RED + "Group " + auxGroup.getName() + " does not inherits " + auxGroup2.getName() + ".");
+                        return false;
+                    }
+                    if (!auxGroup.getInherits().contains(auxGroup2.getName())) {
+                        sender.sendMessage(ChatColor.RED + "Group " + auxGroup.getName() + " does not inherits " + auxGroup2.getName() + " directly.");
+                        return false;
+                    }
+                    //PARECE OK
+                    auxGroup.removeInherits(auxGroup2.getName());
+                    sender.sendMessage(ChatColor.RED + "Group  " + auxGroup2.getName() + " was removed from " + auxGroup.getName() + " inheritance list.");
+
+                    return true;
+                case manuaddv:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length < 3) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO PERMISSAO
+                    //PARECE OK
+                    auxString = "";
+                    for (int i = 2; i < args.length; i++) {
+                        auxString += args[i];
+                        if ((i + 1) < args.length) {
+                            auxString += " ";
+                        }
+                    }
+                    auxUser.getVariables().addVar(args[1], Variables.parseVariableValue(auxString));
+                    sender.sendMessage(ChatColor.YELLOW + "Variable " + ChatColor.GOLD + args[1] + ChatColor.YELLOW + ":'" + ChatColor.GREEN + auxString + ChatColor.YELLOW + "' added to the user " + auxUser.getName());
+                    return true;
+                case manudelv:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!auxUser.getVariables().hasVar(args[1])) {
+                        sender.sendMessage(ChatColor.RED + "The user doesn't have directly that variable!");
+                    }
+                    //PARECE OK
+                    auxUser.getVariables().removeVar(args[1]);
+                    sender.sendMessage(ChatColor.YELLOW + "Variable " + ChatColor.GOLD + args[1] + ChatColor.YELLOW + " removed from the user " + ChatColor.GREEN + auxUser.getName());
+                    return true;
+                case manulistv:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO PERMISSAO
+                    //PARECE OK
+                    auxString = "";
+                    for (String varKey : auxUser.getVariables().getVarKeyList()) {
+                        Object o = auxUser.getVariables().getVarObject(varKey);
+                        auxString += ChatColor.GOLD + varKey + ChatColor.WHITE + ":'" + ChatColor.GREEN + o.toString() + ChatColor.WHITE + "', ";
+                    }
+                    if (auxString.lastIndexOf(",") > 0) {
+                        auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                    }
+                    sender.sendMessage(ChatColor.YELLOW + "Variables of user " + auxUser.getName() + ": ");
+                    sender.sendMessage(auxString + ".");
+                    sender.sendMessage(ChatColor.YELLOW + "Plus all variables from group: " + auxUser.getGroupName());
+                    return true;
+                case manucheckv:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO PERMISSAO
+                    auxGroup = auxUser.getGroup();
+                    auxGroup2 = permissionHandler.nextGroupWithVariable(auxGroup, args[1], null);
+
+                    if (!auxUser.getVariables().hasVar(args[1])) {
+                        if (auxGroup2 == null) {
+                            sender.sendMessage(ChatColor.RED + "The user doesn't have access to that variable!");
+                        }
+                    }
+                    //PARECE OK
+                    if (auxUser.getVariables().hasVar(auxString)) {
+                        sender.sendMessage(ChatColor.YELLOW + "The value of variable '" + ChatColor.GOLD + args[1] + ChatColor.YELLOW + "' is: '" + ChatColor.GREEN + auxUser.getVariables().getVarObject(args[1]).toString() + ChatColor.WHITE + "'");
+                        sender.sendMessage(ChatColor.YELLOW + "This user own directly the variable");
+                    }
+                    sender.sendMessage(ChatColor.YELLOW + "The value of variable '" + ChatColor.GOLD + args[1] + ChatColor.YELLOW + "' is: '" + ChatColor.GREEN + auxGroup2.getVariables().getVarObject(args[1]).toString() + ChatColor.WHITE + "'");
+                    if (!auxGroup.equals(auxGroup2)) {
+                        sender.sendMessage(ChatColor.YELLOW + "And the value was inherited from group: " + ChatColor.GREEN + auxGroup2.getName());
+                    }
+                    return true;
+                case mangaddv:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length < 3) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group does not exists!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    //PARECE OK
+                    auxString = "";
+                    for (int i = 2; i < args.length; i++) {
+                        auxString += args[i];
+                        if ((i + 1) < args.length) {
+                            auxString += " ";
+                        }
+                    }
+                    auxGroup.getVariables().addVar(args[1], Variables.parseVariableValue(auxString));
+                    sender.sendMessage(ChatColor.YELLOW + "Variable " + ChatColor.GOLD + args[1] + ChatColor.YELLOW + ":'" + ChatColor.GREEN + auxString + ChatColor.YELLOW + "' added to the group " + auxGroup.getName());
+
+                    return true;
+                case mangdelv:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group does not exists!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!auxGroup.getVariables().hasVar(args[1])) {
+                        sender.sendMessage(ChatColor.RED + "The group doesn't have directly that variable!");
+                    }
+                    //PARECE OK
+                    auxGroup.getVariables().removeVar(args[1]);
+                    sender.sendMessage(ChatColor.YELLOW + "Variable " + ChatColor.GOLD + args[1] + ChatColor.YELLOW + " removed from the group " + ChatColor.GREEN + auxGroup.getName());
+
+                    return true;
+                case manglistv:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group does not exists!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    //PARECE OK
+                    auxString = "";
+                    for (String varKey : auxGroup.getVariables().getVarKeyList()) {
+                        Object o = auxGroup.getVariables().getVarObject(varKey);
+                        auxString += ChatColor.GOLD + varKey + ChatColor.WHITE + ":'" + ChatColor.GREEN + o.toString() + ChatColor.WHITE + "', ";
+                    }
+                    if (auxString.lastIndexOf(",") > 0) {
+                        auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                    }
+                    sender.sendMessage(ChatColor.YELLOW + "Variables of group " + auxGroup.getName() + ": ");
+                    sender.sendMessage(auxString + ".");
+                    auxString = "";
+                    for (String grp : auxGroup.getInherits()) {
+                        auxString += grp + ", ";
+                    }
+                    if (auxString.lastIndexOf(",") > 0) {
+                        auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                        sender.sendMessage(ChatColor.YELLOW + "Plus all variables from groups: " + auxString);
+                    }
+                    return true;
+                case mangcheckv:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    auxGroup = dataHolder.getGroup(args[0]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group does not exists!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    auxGroup2 = permissionHandler.nextGroupWithVariable(auxGroup, args[1], null);
+                    if (auxGroup2 == null) {
+                        sender.sendMessage(ChatColor.RED + "The group doesn't have access to that variable!");
+                    }
+                    //PARECE OK
+                    sender.sendMessage(ChatColor.YELLOW + "The value of variable '" + ChatColor.GOLD + args[1] + ChatColor.YELLOW + "' is: '" + ChatColor.GREEN + auxGroup2.getVariables().getVarObject(args[1]).toString() + ChatColor.WHITE + "'");
+                    if (!auxGroup.equals(auxGroup2)) {
+                        sender.sendMessage(ChatColor.YELLOW + "And the value was inherited from group: " + ChatColor.GREEN + auxGroup2.getName());
+                    }
+                    return true;
+                case manwhois:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //PARECE OK
+                    sender.sendMessage(ChatColor.YELLOW + "Name: " + ChatColor.GREEN + auxUser.getName());
+                    sender.sendMessage(ChatColor.YELLOW + "Group: " + ChatColor.GREEN + auxUser.getGroup().getName());
+                    sender.sendMessage(ChatColor.YELLOW + "Overloaded: " + ChatColor.GREEN + dataHolder.isOverloaded(auxUser.getName()));
+                    auxGroup = dataHolder.surpassOverload(auxUser.getName()).getGroup();
+                    if (!auxGroup.equals(auxUser.getGroup())) {
+                        sender.sendMessage(ChatColor.YELLOW + "Original Group: " + ChatColor.GREEN + auxGroup.getName());
+                    }
+                    //victim.permissions.add(args[1]);
+                    return true;
+                //break;
+                case tempadd:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!isConsole && (senderGroup != null ? permissionHandler.inGroup(auxUser.getName(), senderGroup.getName()) : false)) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player with same permissions than you, or higher.");
+                        return false;
+                    }
+                    //PARECE OK
+                    if (overloadedUsers.get(dataHolder.getName().toLowerCase()) == null) {
+                        overloadedUsers.put(dataHolder.getName().toLowerCase(), new ArrayList<User>());
+                    }
+                    dataHolder.overloadUser(auxUser.getName());
+                    overloadedUsers.get(dataHolder.getName().toLowerCase()).add(dataHolder.getUser(auxUser.getName()));
+                    sender.sendMessage(ChatColor.YELLOW + "Player overloaded!");
+
+                    return true;
+                //break;
+                case tempdel:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!isConsole && (senderGroup != null ? permissionHandler.inGroup(auxUser.getName(), senderGroup.getName()) : false)) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player with same permissions than you, or higher.");
+                        return false;
+                    }
+                    //PARECE OK
+                    if (overloadedUsers.get(dataHolder.getName().toLowerCase()) == null) {
+                        overloadedUsers.put(dataHolder.getName().toLowerCase(), new ArrayList<User>());
+                    }
+                    dataHolder.removeOverload(auxUser.getName());
+                    if (overloadedUsers.get(dataHolder.getName().toLowerCase()).contains(auxUser)) {
+                        overloadedUsers.get(dataHolder.getName().toLowerCase()).remove(auxUser);
+                    }
+                    sender.sendMessage(ChatColor.YELLOW + "You removed that player overload. He's back to normal!");
+
+                    return true;
+                //break;
+                case templist:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //WORKING
+                    auxString = "";
+                    removeList = new ArrayList<User>();
+                    count = 0;
+                    for (User u : overloadedUsers.get(dataHolder.getName().toLowerCase())) {
+                        if (!dataHolder.isOverloaded(u.getName())) {
+                            removeList.add(u);
+                        } else {
+                            auxString += u.getName() + ", ";
+                            count++;
+                        }
+                    }
+                    if (count == 0) {
+                        sender.sendMessage(ChatColor.YELLOW + "There is no users in overload mode");
+                        return true;
+                    }
+                    auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                    if (overloadedUsers.get(dataHolder.getName().toLowerCase()) == null) {
+                        overloadedUsers.put(dataHolder.getName().toLowerCase(), new ArrayList<User>());
+                    }
+                    overloadedUsers.get(dataHolder.getName().toLowerCase()).removeAll(removeList);
+                    sender.sendMessage(ChatColor.YELLOW + " " + count + " Users in overload mode: " + ChatColor.WHITE + auxString);
+                    return true;
+                case tempdelall:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //WORKING
+                    removeList = new ArrayList<User>();
+                    count = 0;
+                    for (User u : overloadedUsers.get(dataHolder.getName().toLowerCase())) {
+                        if (dataHolder.isOverloaded(u.getName())) {
+                            dataHolder.removeOverload(u.getName());
+                            count++;
+                        }
+                    }
+                    if (count == 0) {
+                        sender.sendMessage(ChatColor.YELLOW + "There is no users in overload mode");
+                        return true;
+                    }
+                    if (overloadedUsers.get(dataHolder.getName().toLowerCase()) == null) {
+                        overloadedUsers.put(dataHolder.getName().toLowerCase(), new ArrayList<User>());
+                    }
+                    overloadedUsers.get(dataHolder.getName().toLowerCase()).clear();
+                    sender.sendMessage(ChatColor.YELLOW + " " + count + " Users in overload mode. Now they are normal again.");
+
+                    return true;
+                case mansave:
+                    worldsHolder.saveChanges();
+                    sender.sendMessage(ChatColor.YELLOW + " The changes were saved.");
+                    return true;
+                case manload:
+                    //THIS CASE DONT NEED SENDER
+                    if (args.length > 0) {
+                        auxString = "";
+                        for (int i = 0; i < args.length; i++) {
+                            auxString += args[i];
+                            if ((i + 1) < args.length) {
+                                auxString += " ";
+                            }
+                        }
+                        worldsHolder.loadWorld(auxString);
+                        sender.sendMessage("The request to world '" + auxString + "' was sent.");
+                        return true;
+                    }
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //WORKING
+                    config.load();
+                    if (args.length > 0) {
+                        auxString = "";
+                        for (int i = 0; i < args.length; i++) {
+                            auxString += args[i];
+                            if ((i + 1) < args.length) {
+                                auxString += " ";
+                            }
+                        }
+                        worldsHolder.loadWorld(auxString);
+                        sender.sendMessage("The request to world '" + auxString + "' was sent.");
+                    } else {
+                        worldsHolder.reloadAll();
+                        sender.sendMessage(ChatColor.YELLOW + " The current world was reloaded.");
+                    }
+                    worldsHolder.mirrorSetUp();
+                    return true;
+                case listgroups:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //WORKING
+                    auxString = "";
+                    for (Group g : dataHolder.getGroupList()) {
+                        auxString += g.getName() + ", ";
+                    }
+                    if (auxString.lastIndexOf(",") > 0) {
+                        auxString = auxString.substring(0, auxString.lastIndexOf(","));
+                    }
+                    sender.sendMessage(ChatColor.YELLOW + " Groups Available: " + ChatColor.WHITE + auxString);
+                    return true;
+                case manpromote:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    auxGroup = dataHolder.getGroup(args[1]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group not found!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!isConsole && (senderGroup != null ? permissionHandler.inGroup(auxUser.getName(), senderGroup.getName()) : false)) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player with same permissions than you, or higher.");
+                        return false;
+                    }
+                    if (!isConsole && (permissionHandler.hasGroupInInheritance(auxGroup, senderGroup.getName()))) {
+                        sender.sendMessage(ChatColor.RED + "The destination group can't be the same as yours, or higher.");
+                        return false;
+                    }
+                    if (!isConsole && (!permissionHandler.inGroup(senderUser.getName(), auxUser.getGroupName()) || !permissionHandler.inGroup(senderUser.getName(), auxGroup.getName()))) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player involving a group that you don't inherit.");
+                        return false;
+                    }
+                    if (!isConsole && (!permissionHandler.hasGroupInInheritance(auxUser.getGroup(), auxGroup.getName()) && !permissionHandler.hasGroupInInheritance(auxGroup, auxUser.getGroupName()))) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player using groups with different heritage line.");
+                        return false;
+                    }
+                    if (!isConsole && (!permissionHandler.hasGroupInInheritance(auxGroup, auxUser.getGroupName()))) {
+                        sender.sendMessage(ChatColor.RED + "The new group must be a higher rank.");
+                        return false;
+                    }
+                    //PARECE OK
+                    auxUser.setGroup(auxGroup);
+                    sender.sendMessage(ChatColor.YELLOW + "You changed " + auxUser.getName() + " group to " + auxGroup.getName() + ".");
+
+                    return true;
+                //break;
+                case mandemote:
+                    //VALIDANDO ESTADO DO SENDER
+                    if (dataHolder == null || permissionHandler == null) {
+                        sender.sendMessage(ChatColor.RED + "Couldn't retrieve your world. World selection is needed.");
+                        sender.sendMessage(ChatColor.RED + "Use /manselect <world>");
+                        return true;
+                    }
+                    //VALIDANDO ARGUMENTOS
+                    if (args.length != 2) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    if (validateOnlinePlayer) {
+                        match = this.getServer().matchPlayer(args[0]);
+                        if (match.size() != 1) {
+                            sender.sendMessage(ChatColor.RED + "Player not found!");
+                            return false;
+                        }
+                    }
+                    if (match != null) {
+                        auxUser = dataHolder.getUser(match.get(0).getName());
+                    } else {
+                        auxUser = dataHolder.getUser(args[0]);
+                    }
+                    auxGroup = dataHolder.getGroup(args[1]);
+                    if (auxGroup == null) {
+                        sender.sendMessage(ChatColor.RED + "Group not found!");
+                        return false;
+                    }
+                    //VALIDANDO PERMISSAO
+                    if (!isConsole && (senderGroup != null ? permissionHandler.inGroup(auxUser.getName(), senderGroup.getName()) : false)) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player with same permissions than you, or higher.");
+                        return false;
+                    }
+                    if (!isConsole && (permissionHandler.hasGroupInInheritance(auxGroup, senderGroup.getName()))) {
+                        sender.sendMessage(ChatColor.RED + "The destination group can't be the same as yours, or higher.");
+                        return false;
+                    }
+                    if (!isConsole && (!permissionHandler.inGroup(senderUser.getName(), auxUser.getGroupName()) || !permissionHandler.inGroup(senderUser.getName(), auxGroup.getName()))) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player involving a group that you don' inherit.");
+                        return false;
+                    }
+                    if (!isConsole && (!permissionHandler.hasGroupInInheritance(auxUser.getGroup(), auxGroup.getName()) && !permissionHandler.hasGroupInInheritance(auxGroup, auxUser.getGroupName()))) {
+                        sender.sendMessage(ChatColor.RED + "Can't modify player using groups with different heritage line.");
+                        return false;
+                    }
+                    if (!isConsole && (permissionHandler.hasGroupInInheritance(auxGroup, auxUser.getGroupName()))) {
+                        sender.sendMessage(ChatColor.RED + "The new group must be a lower rank.");
+                        return false;
+                    }
+                    //PARECE OK
+                    auxUser.setGroup(auxGroup);
+                    sender.sendMessage(ChatColor.YELLOW + "You changed " + auxUser.getName() + " group to " + auxGroup.getName() + ".");
+
+                    return true;
+                //break;
+                case mantogglevalidate:
+                    validateOnlinePlayer = !validateOnlinePlayer;
+                    sender.sendMessage(ChatColor.YELLOW + "Validade if player is online, now set to: " + Boolean.toString(validateOnlinePlayer));
+                    if (!validateOnlinePlayer) {
+                        sender.sendMessage(ChatColor.GOLD + "From now on you can edit players not connected... BUT:");
+                        sender.sendMessage(ChatColor.LIGHT_PURPLE + "From now on you should type the whole name of the player, correctly.");
+                    }
+                    return true;
+                case mantogglesave:
+                    if (scheduler == null) {
+                        enableScheduler();
+                        sender.sendMessage(ChatColor.YELLOW + "The auto-saving is enabled!");
+                    } else {
+                        disableScheduler();
+                        sender.sendMessage(ChatColor.YELLOW + "The auto-saving is disabled!");
+                    }
+                    return true;
+                case manworld:
+                    auxString = selectedWorlds.get(sender);
+                    if (auxString != null) {
+                        sender.sendMessage(ChatColor.YELLOW + "You have the world '" + dataHolder.getName() + "' in your selection.");
+                    } else {
+                        if (dataHolder == null) {
+                            sender.sendMessage(ChatColor.YELLOW + "There is no world selected. And no world is available now.");
+                        } else {
+                            sender.sendMessage(ChatColor.YELLOW + "You don't have a world in your selection..");
+                            sender.sendMessage(ChatColor.YELLOW + "Working with the direct world where your player is.");
+                            sender.sendMessage(ChatColor.YELLOW + "Your world now uses permissions of world name: '" + dataHolder.getName() + "' ");
+                        }
+                    }
+                    return true;
+                case manselect:
+                    if (args.length < 1) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        sender.sendMessage(ChatColor.YELLOW + "Worlds available: ");
+                        ArrayList<OverloadedWorldHolder> worlds = worldsHolder.allWorldsDataList();
+                        auxString = "";
+                        for (int i = 0; i < worlds.size(); i++) {
+                            auxString += worlds.get(i).getName();
+                            if ((i + 1) < worlds.size()) {
+                                auxString += ", ";
+                            }
+                        }
+                        sender.sendMessage(ChatColor.YELLOW + auxString);
+                        return false;
+                    }
+                    auxString = "";
+                    for (int i = 0; i < args.length; i++) {
+                        if (args[i] == null) {
+                            logger.warning("Bukkit gave invalid arguments array! Cmd: " + cmd.getName() + " args.length: " + args.length);
+                            return false;
+                        }
+                        auxString += args[i];
+                        if (i < (args.length - 1)) {
+                            auxString += " ";
+                        }
+                    }
+                    dataHolder = worldsHolder.getWorldData(auxString);
+                    permissionHandler = dataHolder.getPermissionsHandler();
+                    selectedWorlds.put(sender, dataHolder.getName());
+                    sender.sendMessage(ChatColor.YELLOW + "You have selected world '" + dataHolder.getName() + "'.");
+                    return true;
+                case manclear:
+                    if (args.length != 0) {
+                        sender.sendMessage(ChatColor.RED + "Review your arguments count!");
+                        return false;
+                    }
+                    selectedWorlds.remove(sender);
+                    sender.sendMessage(ChatColor.YELLOW + "You have removed your world selection. Working with current world(if possible).");
+                    return true;
+                default:
+                    break;
+            }
+        }
+        sender.sendMessage(ChatColor.RED + "You are not allowed to use that command.");
+        return false;
+    }
+
+    /**
+     * @return the config
+     */
+    public GMConfiguration getConfig() {
+        return config;
+    }
+
+    /**
+     * @return the backupFolder
+     */
+    public File getBackupFolder() {
+        return backupFolder;
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/DataUnit.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/DataUnit.java
new file mode 100644
index 000000000..3eb7491dd
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/DataUnit.java
@@ -0,0 +1,114 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.data;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import org.anjocaido.groupmanager.GroupManager;
+import org.anjocaido.groupmanager.dataholder.WorldDataHolder;
+import org.anjocaido.groupmanager.utils.StringPermissionComparator;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public abstract class DataUnit {
+
+    private WorldDataHolder dataSource;
+    private String name;
+    private boolean changed;
+    private ArrayList<String> permissions = new ArrayList<String>();
+
+    public DataUnit(WorldDataHolder dataSource, String name) {
+        this.dataSource = dataSource;
+        this.name = name;
+    }
+
+    /**
+     *  Every group is matched only by their names and DataSources names.
+     * @param o
+     * @return true if they are equal. false if not.
+     */
+    @Override
+    public boolean equals(Object o) {
+        if (o instanceof DataUnit) {
+            DataUnit go = (DataUnit) o;
+            if (this.getName().equalsIgnoreCase(go.getName()) && this.dataSource.getName().equalsIgnoreCase(go.getDataSource().getName())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 5;
+        hash = 71 * hash + (this.name != null ? this.name.toLowerCase().hashCode() : 0);
+        return hash;
+    }
+
+
+   
+
+    /**
+     * @return the dataSource
+     */
+    public WorldDataHolder getDataSource() {
+        return dataSource;
+    }
+
+    /**
+     * @return the name
+     */
+    public String getName() {
+        return name;
+    }
+
+    public void flagAsChanged() {
+        GroupManager.logger.finest("DataSource: "+getDataSource().getName()+" - DataUnit: "+getName()+" flagged as changed!");
+//        for(StackTraceElement st: Thread.currentThread().getStackTrace()){
+//            GroupManager.logger.finest(st.toString());
+//        }
+        changed = true;
+    }
+
+    public boolean isChanged() {
+        return changed;
+    }
+
+    public void flagAsSaved() {
+        GroupManager.logger.finest("DataSource: "+getDataSource().getName()+" - DataUnit: "+getName()+" flagged as saved!");
+        changed = false;
+    }
+
+    public boolean hasSamePermissionNode(String permission) {
+        return permissions.contains(permission);
+    }
+
+    public void addPermission(String permission) {
+        if (!hasSamePermissionNode(permission)) {
+            permissions.add(permission);
+        }
+        flagAsChanged();
+    }
+
+    public boolean removePermission(String permission) {
+        flagAsChanged();
+        return permissions.remove(permission);
+    }
+
+    /**
+     * Use this only to list permissions.
+     * You can't edit the permissions using the returned ArrayList instance
+     * @return a copy of the permission list
+     */
+    public ArrayList<String> getPermissionList() {
+        return (ArrayList<String>) permissions.clone();
+    }
+
+    public void sortPermissions(){
+        Collections.sort(permissions, StringPermissionComparator.getInstance());
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/Group.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/Group.java
new file mode 100644
index 000000000..c734b208e
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/Group.java
@@ -0,0 +1,122 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.data;
+
+import org.anjocaido.groupmanager.dataholder.WorldDataHolder;
+import java.util.ArrayList;
+import java.util.Map;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class Group extends DataUnit implements Cloneable {
+
+    /**
+     * The group it inherits DIRECTLY!
+     */
+    private ArrayList<String> inherits = new ArrayList<String>();
+    /**
+     *This one holds the fields in INFO node.
+     * like prefix = 'c'
+     * or build = false
+     */
+    private GroupVariables variables = new GroupVariables(this);
+
+    /**
+     *
+     * @param name
+     */
+    public Group(WorldDataHolder source, String name) {
+        super(source,name);
+    }
+
+    /**
+     *  Clone this group
+     * @return a clone of this group
+     */
+    @Override
+    public Group clone() {
+        Group clone = new Group(getDataSource(), this.getName());
+        clone.inherits = ((ArrayList<String>) this.getInherits().clone());
+        for(String perm: this.getPermissionList()){
+            clone.addPermission(perm);
+        }
+        clone.variables = ((GroupVariables) variables).clone(clone);
+        //clone.flagAsChanged();
+        return clone;
+    }
+
+    /**
+     * Use this to deliver a group from a different dataSource to another
+     * @param dataSource
+     * @return
+     */
+    public Group clone(WorldDataHolder dataSource) {
+        if (dataSource.groupExists(this.getName())) {
+            return null;
+        }
+        Group clone = getDataSource().createGroup(this.getName());
+        clone.inherits = ((ArrayList<String>) this.getInherits().clone());
+        for(String perm: this.getPermissionList()){
+            clone.addPermission(perm);
+        }
+        clone.variables = variables.clone(clone);
+        clone.flagAsChanged(); //use this to make the new dataSource save the new group
+        return clone;
+    }
+
+    /**
+     * a COPY of inherits list
+     * You can't manage the list by here
+     * Lol... version 0.6 had a problem because this.
+     * @return the inherits
+     */
+    public ArrayList<String> getInherits() {
+        return (ArrayList<String>) inherits.clone();
+    }
+
+    /**
+     * @param inherits the inherits to set
+     */
+    public void addInherits(Group inherit) {
+        if (!this.getDataSource().groupExists(inherit.getName())) {
+            getDataSource().addGroup(inherit);
+        }
+        if (!inherits.contains(inherit.getName().toLowerCase())) {
+            inherits.add(inherit.getName().toLowerCase());
+        }
+        flagAsChanged();
+    }
+
+    public boolean removeInherits(String inherit) {
+        if (this.inherits.contains(inherit.toLowerCase())) {
+            this.inherits.remove(inherit.toLowerCase());
+            flagAsChanged();
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * @return the variables
+     */
+    public GroupVariables getVariables() {
+        return variables;
+    }
+
+    /**
+     * 
+     * @param varList
+     */
+    public void setVariables(Map<String, Object> varList) {
+        GroupVariables temp = new GroupVariables(this, varList);
+        variables.clearVars();
+        for(String key: temp.getVarKeyList()){
+            variables.addVar(key, temp.getVarObject(key));
+        }
+        flagAsChanged();
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/GroupVariables.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/GroupVariables.java
new file mode 100644
index 000000000..87c34de2b
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/GroupVariables.java
@@ -0,0 +1,87 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.data;
+
+import java.util.Map;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class GroupVariables extends Variables implements Cloneable {
+
+    private Group owner;
+
+    public GroupVariables(Group owner) {
+        super(owner);
+        this.owner = owner;
+        addVar("prefix", "");
+        addVar("suffix", "");
+        addVar("build", false);
+    }
+
+    public GroupVariables(Group owner, Map<String, Object> varList) {
+        super(owner);
+        variables = varList;
+        if (variables.get("prefix") == null) {
+            variables.put("prefix", "");
+            owner.flagAsChanged();
+        }
+        //thisGrp.prefix = infoNode.get("prefix").toString();
+
+        if (variables.get("suffix") == null) {
+            variables.put("suffix", "");
+            owner.flagAsChanged();
+        }
+        //thisGrp.suffix = infoNode.get("suffix").toString();
+
+        if (variables.get("build") == null) {
+            variables.put("build", false);
+            owner.flagAsChanged();
+        }
+        this.owner = owner;
+    }
+
+    /**
+     *  A clone of all vars here.
+     * @return
+     */
+    protected GroupVariables clone(Group newOwner) {
+        GroupVariables clone = new GroupVariables(newOwner);
+        for (String key : variables.keySet()) {
+            clone.variables.put(key, variables.get(key));
+        }
+        newOwner.flagAsChanged();
+        return clone;
+    }
+
+    /**
+     * Remove a var from the list
+     * @param name
+     */
+    @Override
+    public void removeVar(String name) {
+        try {
+            this.variables.remove(name);
+        } catch (Exception e) {
+        }
+        if (name.equals("prefix")) {
+            addVar("prefix", "");
+        } else if (name.equals("suffix")) {
+            addVar("suffix", "");
+        } else if (name.equals("build")) {
+            addVar("build", false);
+        }
+        owner.flagAsChanged();
+    }
+
+    /**
+     * @return the owner
+     */
+    @Override
+    public Group getOwner() {
+        return owner;
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/User.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/User.java
new file mode 100644
index 000000000..ceecbfa21
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/User.java
@@ -0,0 +1,187 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.data;
+
+import com.sun.org.apache.bcel.internal.generic.AALOAD;
+import java.util.ArrayList;
+import org.anjocaido.groupmanager.dataholder.WorldDataHolder;
+import java.util.Map;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class User extends DataUnit implements Cloneable {
+
+    /**
+     *
+     */
+    private String group = null;
+    private ArrayList<String> subGroups = new ArrayList<String>();
+    /**
+     *This one holds the fields in INFO node.
+     * like prefix = 'c'
+     * or build = false
+     */
+    private UserVariables variables = new UserVariables(this);
+
+
+    /**
+     *
+     * @param name
+     */
+    public User(WorldDataHolder source, String name) {
+        super(source,name);
+        this.group = source.getDefaultGroup().getName();
+    }
+
+    /**
+     *
+     * @return
+     */
+    @Override
+    public User clone() {
+        User clone = new User(getDataSource(), this.getName());
+        clone.group = this.group;
+        for(String perm: this.getPermissionList()){
+            clone.addPermission(perm);
+        }
+        //clone.variables = this.variables.clone();
+        //clone.flagAsChanged();
+        return clone;
+    }
+
+    /**
+     * Use this to deliver a user from one WorldDataHolder to another
+     * @param dataSource
+     * @return null if given dataSource already contains the same user
+     */
+    public User clone(WorldDataHolder dataSource) {
+        if (dataSource.isUserDeclared(this.getName())) {
+            return null;
+        }
+        User clone = dataSource.createUser(this.getName());
+        if (dataSource.getGroup(group) == null) {
+            clone.setGroup(dataSource.getDefaultGroup());
+        } else {
+            clone.setGroup(this.getGroupName());
+        }
+        for(String perm: this.getPermissionList()){
+            clone.addPermission(perm);
+        }
+        //clone.variables = this.variables.clone();
+        clone.flagAsChanged();
+        return clone;
+    }
+
+    public Group getGroup() {
+        Group result = getDataSource().getGroup(group);
+        if (result == null) {
+            this.setGroup(getDataSource().getDefaultGroup());
+            result = getDataSource().getDefaultGroup();
+        }
+        return result;
+    }
+
+    /**
+     * @return the group
+     */
+    public String getGroupName() {
+        Group result = getDataSource().getGroup(group);
+        if (result == null) {
+            group = getDataSource().getDefaultGroup().getName();
+        }
+        return group;
+    }
+
+    /**
+     * @param group the group to set
+     */
+    @Deprecated
+    public void setGroup(String group) {
+        this.group = group;
+        flagAsChanged();
+    }
+
+    /**
+     * @param group the group to set
+     */
+    public void setGroup(Group group) {
+        if (!this.getDataSource().groupExists(group.getName())) {
+            getDataSource().addGroup(group);
+        }
+        group = getDataSource().getGroup(group.getName());
+        this.group = group.getName();
+        flagAsChanged();
+    }
+
+    public void addSubGroup(Group subGroup){
+        if(this.group.equalsIgnoreCase(subGroup.getName())){
+            return;
+        }
+        if (!this.getDataSource().groupExists(subGroup.getName())) {
+            getDataSource().addGroup(subGroup);
+        }  
+        subGroup = getDataSource().getGroup(subGroup.getName());
+        removeSubGroup(subGroup);
+        subGroups.add(subGroup.getName());
+        flagAsChanged();
+    }
+    public int subGroupsSize(){
+        return subGroups.size();
+    }
+    public boolean isSubGroupsEmpty(){
+        return subGroups.isEmpty();
+    }
+    public boolean containsSubGroup(Group subGroup){
+        return subGroups.contains(subGroup.getName());
+    }
+    public boolean removeSubGroup(Group subGroup){
+        try{
+            if(subGroups.remove(subGroup.getName())){
+                flagAsChanged();
+                return true;
+            }
+        } catch (Exception e){
+
+        }
+        return false;
+    }
+    public ArrayList<Group> subGroupListCopy(){
+        ArrayList<Group> val = new ArrayList<Group>();
+        for(String gstr: subGroups){
+            Group g = getDataSource().getGroup(gstr);
+            if(g==null){
+                removeSubGroup(g);
+                continue;
+            }
+            val.add(g);
+        }
+        return val;
+    }
+    public ArrayList<String> subGroupListStringCopy(){
+        return (ArrayList<String>) subGroups.clone();
+    }
+
+    /**
+     * @return the variables
+     */
+    public UserVariables getVariables() {
+        return variables;
+    }
+
+    /**
+     *
+     * @param varList
+     */
+    public void setVariables(Map<String, Object> varList) {
+        UserVariables temp = new UserVariables(this, varList);
+        variables.clearVars();
+        for(String key: temp.getVarKeyList()){
+            variables.addVar(key, temp.getVarObject(key));
+        }
+        flagAsChanged();
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/UserVariables.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/UserVariables.java
new file mode 100644
index 000000000..45dfc31e7
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/UserVariables.java
@@ -0,0 +1,45 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package org.anjocaido.groupmanager.data;
+
+import java.util.Map;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class UserVariables extends Variables{
+    private User owner;
+    public UserVariables(User owner){
+        super(owner);
+        this.owner = owner;
+    }
+    public UserVariables(User owner, Map<String, Object> varList) {
+        super(owner);
+        this.variables = varList;
+        this.owner = owner;
+    }
+    /**
+     *  A clone of all vars here.
+     * @return
+     */
+    protected UserVariables clone(User newOwner) {
+        UserVariables clone = new UserVariables(newOwner);
+        for (String key : variables.keySet()) {
+            clone.variables.put(key, variables.get(key));
+        }
+        newOwner.flagAsChanged();
+        return clone;
+    }
+    /**
+     * @return the owner
+     */
+    @Override
+    public User getOwner() {
+        return owner;
+    }
+
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/Variables.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/Variables.java
new file mode 100644
index 000000000..31ed0d795
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/Variables.java
@@ -0,0 +1,192 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.data;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ *A class that holds variables of a user/group.
+ * In groups, it holds the contents of INFO node.
+ * Like:
+ * prefix
+ * suffix
+ * build
+ *
+ * @author gabrielcouto
+ */
+public abstract class Variables implements Cloneable {
+    private DataUnit owner;
+    protected Map<String, Object> variables = new HashMap<String, Object>();
+
+    public Variables(DataUnit owner){
+        this.owner = owner;
+    }
+    /**
+     * Add var to the the INFO node.
+     * examples:
+     * addVar("build",true);
+     * addVar("prefix","c");
+     * @param name key name of the var
+     * @param o the object value of the var
+     */
+    public void addVar(String name, Object o) {
+        if (o == null) {
+            return;
+        }
+        if (variables.containsKey(name)) {
+            variables.remove(name);
+        }
+        variables.put(name, o);
+        owner.flagAsChanged();
+    }
+
+    /**
+     *  Returns the object inside the var
+     * @param name
+     * @return a Object if exists. null if doesn't exists
+     */
+    public Object getVarObject(String name) {
+        return variables.get(name);
+    }
+
+    /**
+     * Get the String value for the given var name
+     * @param name the var key name
+     * @return "" if null. or the toString() value of object
+     */
+    public String getVarString(String name) {
+        Object o = variables.get(name);
+        try {
+            return o == null ? "" : o.toString();
+        } catch (Exception e) {
+            return "";
+        }
+    }
+
+    /**
+     *
+     * @param name
+     * @return false if null. or a Boolean.parseBoolean of the string
+     */
+    public Boolean getVarBoolean(String name) {
+        Object o = variables.get(name);
+        try {
+            return o == null ? false : Boolean.parseBoolean(o.toString());
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    /**
+     *
+     * @param name
+     * @return -1 if null. or a parseInt of the string
+     */
+    public Integer getVarInteger(String name) {
+        Object o = variables.get(name);
+        try {
+            return o == null ? -1 : Integer.parseInt(o.toString());
+        } catch (Exception e) {
+            return -1;
+        }
+    }
+
+    /**
+     *
+     * @param name
+     * @return -1 if null. or a parseDouble of the string
+     */
+    public Double getVarDouble(String name) {
+        Object o = variables.get(name);
+        try {
+            return o == null ? -1.0D : Double.parseDouble(o.toString());
+        } catch (Exception e) {
+            return -1.0D;
+
+
+        }
+    }
+
+    /**
+     *  All variable keys this is holding
+     * @return
+     */
+    public Set<String> getVarKeyList() {
+        return variables.keySet();
+
+
+    }
+
+    /**
+     *  verify is a var exists
+     * @param name the key name of the var
+     * @return true if that var exists
+     */
+    public boolean hasVar(String name) {
+        return variables.containsKey(name);
+
+
+    }
+
+    /**
+     * Returns the quantity of vars this is holding
+     * @return the number of vars
+     */
+    public int getSize() {
+        return variables.size();
+
+
+    }
+
+    /**
+     * Remove a var from the list
+     * @param name
+     */
+    public void removeVar(String name) {
+        try {
+            variables.remove(name);
+        } catch (Exception e) {
+        }
+        owner.flagAsChanged();
+    }
+
+    public static Object parseVariableValue(String value) {
+        try {
+            Integer i = Integer.parseInt(value);
+            return i;
+        } catch (NumberFormatException e) {
+        }
+        try {
+            Double d = Double.parseDouble(value);
+            return d;
+        } catch (NumberFormatException e) {
+        }
+        if (value.equalsIgnoreCase("true") || value.equalsIgnoreCase("yes") || value.equalsIgnoreCase("on")) {
+            return true;
+        } else if (value.equalsIgnoreCase("false") || value.equalsIgnoreCase("no") || value.equalsIgnoreCase("off")) {
+            return false;
+        }
+        return value;
+
+    }
+
+    public void clearVars(){
+        variables.clear();
+        owner.flagAsChanged();
+    }
+
+    /**
+     * @return the owner
+     */
+    public DataUnit getOwner() {
+        return owner;
+    }
+
+    public boolean isEmpty(){
+        return variables.isEmpty();
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/OverloadedWorldHolder.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/OverloadedWorldHolder.java
new file mode 100644
index 000000000..f735ff5e6
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/OverloadedWorldHolder.java
@@ -0,0 +1,204 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.dataholder;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import org.anjocaido.groupmanager.data.User;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class OverloadedWorldHolder extends WorldDataHolder {
+
+    /**
+     *
+     */
+    protected Map<String, User> overloadedUsers = new HashMap<String, User>();
+
+    /**
+     *
+     * @param ph
+     */
+    public OverloadedWorldHolder(WorldDataHolder ph) {
+        super(ph.getName());
+        this.f = ph.f;
+        this.groupsFile = ph.groupsFile;
+        this.usersFile = ph.usersFile;
+        this.defaultGroup = ph.defaultGroup;
+        this.groups = ph.groups;
+        this.users = ph.users;
+    }
+
+    /**
+     *
+     * @param userName
+     * @return
+     */
+    @Override
+    public User getUser(String userName) {
+        //OVERLOADED CODE
+        if (overloadedUsers.containsKey(userName.toLowerCase())) {
+            return overloadedUsers.get(userName.toLowerCase());
+        }
+        //END CODE
+        if (users.containsKey(userName.toLowerCase())) {
+            return users.get(userName.toLowerCase());
+        }
+        User newUser = createUser(userName);
+        haveUsersChanged = true;
+        return newUser;
+    }
+
+    /**
+     *
+     * @param theUser
+     */
+    @Override
+    public void addUser(User theUser) {
+        if (theUser.getDataSource() != this) {
+            theUser = theUser.clone(this);
+        }
+        if (theUser == null) {
+            return;
+        }
+        if ((theUser.getGroup() == null) || (!groups.containsKey(theUser.getGroupName().toLowerCase()))) {
+            theUser.setGroup(defaultGroup);
+        }
+        //OVERLOADED CODE
+        if (overloadedUsers.containsKey(theUser.getName().toLowerCase())) {
+            overloadedUsers.remove(theUser.getName().toLowerCase());
+            overloadedUsers.put(theUser.getName().toLowerCase(), theUser);
+            return;
+        }
+        //END CODE
+        removeUser(theUser.getName());
+        users.put(theUser.getName().toLowerCase(), theUser);
+        haveUsersChanged = true;
+    }
+
+    /**
+     *
+     * @param userName
+     * @return
+     */
+    @Override
+    public boolean removeUser(String userName) {
+        //OVERLOADED CODE
+        if (overloadedUsers.containsKey(userName.toLowerCase())) {
+            overloadedUsers.remove(userName.toLowerCase());
+            return true;
+        }
+        //END CODE
+        if (users.containsKey(userName.toLowerCase())) {
+            users.remove(userName.toLowerCase());
+            haveUsersChanged = true;
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean removeGroup(String groupName) {
+        if (groupName.equals(defaultGroup)) {
+            return false;
+        }
+        for (String key : groups.keySet()) {
+            if (groupName.equalsIgnoreCase(key)) {
+                groups.remove(key);
+                for (String userKey : users.keySet()) {
+                    User user = users.get(userKey);
+                    if (user.getGroupName().equalsIgnoreCase(key)) {
+                        user.setGroup(defaultGroup);
+                    }
+
+                }
+                //OVERLOADED CODE
+                for (String userKey : overloadedUsers.keySet()) {
+                    User user = overloadedUsers.get(userKey);
+                    if (user.getGroupName().equalsIgnoreCase(key)) {
+                        user.setGroup(defaultGroup);
+                    }
+
+                }
+                //END OVERLOAD
+                haveGroupsChanged = true;
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 
+     * @return
+     */
+    @Override
+    public Collection<User> getUserList() {
+        Collection<User> overloadedList = new ArrayList<User>();
+        Collection<User> normalList = users.values();
+        for (User u : normalList) {
+            if (overloadedUsers.containsKey(u.getName().toLowerCase())) {
+                overloadedList.add(overloadedUsers.get(u.getName().toLowerCase()));
+            } else {
+                overloadedList.add(u);
+            }
+        }
+        return overloadedList;
+    }
+
+    /**
+     *
+     * @param userName
+     * @return
+     */
+    public boolean isOverloaded(String userName) {
+        return overloadedUsers.containsKey(userName.toLowerCase());
+    }
+
+    /**
+     *
+     * @param userName
+     */
+    public void overloadUser(String userName) {
+        if (!isOverloaded(userName)) {
+            User theUser = getUser(userName);
+            theUser = theUser.clone();
+            if (overloadedUsers.containsKey(theUser.getName().toLowerCase())) {
+                overloadedUsers.remove(theUser.getName().toLowerCase());
+            }
+            overloadedUsers.put(theUser.getName().toLowerCase(), theUser);
+        }
+    }
+
+    /**
+     *
+     * @param userName
+     */
+    public void removeOverload(String userName) {
+        overloadedUsers.remove(userName.toLowerCase());
+    }
+
+    /**
+     *  Gets the user in normal state. Surpassing the overload state.
+     * It doesn't affect permissions. But it enables plugins change the
+     * actual user permissions even in overload mode.
+     * @param userName
+     * @return
+     */
+    public User surpassOverload(String userName) {
+        if (!isOverloaded(userName)) {
+            return getUser(userName);
+        }
+        if (users.containsKey(userName.toLowerCase())) {
+            return users.get(userName.toLowerCase());
+        }
+        User newUser = createUser(userName);
+        return newUser;
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/WorldDataHolder.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/WorldDataHolder.java
new file mode 100644
index 000000000..96e517abd
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/WorldDataHolder.java
@@ -0,0 +1,939 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.dataholder;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.anjocaido.groupmanager.GroupManager;
+import org.anjocaido.groupmanager.data.Group;
+import org.anjocaido.groupmanager.data.User;
+import org.anjocaido.groupmanager.permissions.AnjoPermissionsHandler;
+import org.bukkit.Server;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.PluginManager;
+import org.yaml.snakeyaml.DumperOptions;
+import org.yaml.snakeyaml.Yaml;
+import org.yaml.snakeyaml.constructor.SafeConstructor;
+import org.yaml.snakeyaml.reader.UnicodeReader;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class WorldDataHolder {
+
+    /**
+     *
+     */
+    protected String name;
+    /**
+     *  The actual groups holder
+     */
+    protected Map<String, Group> groups = new HashMap<String, Group>();
+    /**
+     * The actual users holder
+     */
+    protected Map<String, User> users = new HashMap<String, User>();
+    /**
+     *  Points to the default group
+     */
+    protected Group defaultGroup = null;
+    /**
+     * The file, which this class loads/save data from/to
+     * @deprecated
+     */
+    @Deprecated
+    protected File f;
+    /**
+     *
+     */
+    protected AnjoPermissionsHandler permissionsHandler;
+    /**
+     *
+     */
+    protected File usersFile;
+    /**
+     *
+     */
+    protected File groupsFile;
+    /**
+     *
+     */
+    protected boolean haveUsersChanged = false;
+    /**
+     *
+     */
+    protected boolean haveGroupsChanged = false;
+
+    /**
+     *  Prevent direct instantiation
+     * @param worldName
+     */
+    protected WorldDataHolder(String worldName) {
+        name = worldName;
+    }
+
+    /**
+     * The main constructor for a new WorldDataHolder
+     *  Please don't set the default group as null
+     * @param worldName
+     * @param defaultGroup the default group. its good to start with one
+     */
+    public WorldDataHolder(String worldName, Group defaultGroup) {
+        this.name = worldName;
+        groups.put(defaultGroup.getName().toLowerCase(), defaultGroup);
+        this.defaultGroup = defaultGroup;
+    }
+
+    /**
+     * Search for a user. If it doesn't exist, create a new one with
+     * default group.
+     *
+     * @param userName the name of the user
+     * @return class that manage that user permission
+     */
+    public User getUser(String userName) {
+        if (users.containsKey(userName.toLowerCase())) {
+            return users.get(userName.toLowerCase());
+        }
+        User newUser = createUser(userName);
+        return newUser;
+    }
+
+    /**
+     *  Add a user to the list. If it already exists, overwrite the old.
+     * @param theUser the user you want to add to the permission list
+     */
+    public void addUser(User theUser) {
+        if (theUser.getDataSource() != this) {
+            theUser = theUser.clone(this);
+        }
+        if (theUser == null) {
+            return;
+        }
+        if ((theUser.getGroup() == null)) {
+            theUser.setGroup(defaultGroup);
+        }
+        removeUser(theUser.getName());
+        users.put(theUser.getName().toLowerCase(), theUser);
+        haveUsersChanged = true;
+    }
+
+    /**
+     * Removes the user from the list. (he might become a default user)
+     * @param userName the username from the user to remove
+     * @return true if it had something to remove
+     */
+    public boolean removeUser(String userName) {
+        if (users.containsKey(userName.toLowerCase())) {
+            users.remove(userName.toLowerCase());
+            haveUsersChanged = true;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     *
+     * @param userName
+     * @return
+     */
+    public boolean isUserDeclared(String userName) {
+        return users.containsKey(userName.toLowerCase());
+    }
+
+    /**
+     *  Change the default group of the file.
+     * @param group the group you want make default.
+     */
+    public void setDefaultGroup(Group group) {
+        if (!groups.containsKey(group.getName().toLowerCase()) || (group.getDataSource() != this)) {
+            addGroup(group);
+        }
+        defaultGroup = this.getGroup(group.getName());
+        haveGroupsChanged = true;
+    }
+
+    /**
+     *  Returns the default group of the file
+     * @return the default group
+     */
+    public Group getDefaultGroup() {
+        return defaultGroup;
+    }
+
+    /**
+     *  Returns a group of the given name
+     * @param groupName the name of the group
+     * @return a group if it is found. null if not found.
+     */
+    public Group getGroup(String groupName) {
+        return groups.get(groupName.toLowerCase());
+    }
+
+    /**
+     *  Check if a group exists.
+     * Its the same of getGroup, but check if it is null.
+     * @param groupName the name of the group
+     * @return true if exists. false if not.
+     */
+    public boolean groupExists(String groupName) {
+        return groups.containsKey(groupName.toLowerCase());
+    }
+
+    /**
+     * Add a group to the list
+     * @param groupToAdd
+     */
+    public void addGroup(Group groupToAdd) {
+        if (groupToAdd.getDataSource() != this) {
+            groupToAdd = groupToAdd.clone(this);
+        }
+        removeGroup(groupToAdd.getName());
+        groups.put(groupToAdd.getName().toLowerCase(), groupToAdd);
+        haveGroupsChanged = true;
+    }
+
+    /**
+     *  Remove the group to the list
+     * @param groupName
+     * @return true if had something to remove. false the group was default or non-existant
+     */
+    public boolean removeGroup(String groupName) {
+        if (defaultGroup != null && groupName.equalsIgnoreCase(defaultGroup.getName())) {
+            return false;
+        }
+        if (groups.containsKey(groupName.toLowerCase())) {
+            groups.remove(groupName.toLowerCase());
+            haveGroupsChanged = true;
+            return true;
+        }
+        return false;
+
+    }
+
+    /**
+     * Creates a new User with the given name
+     * and adds it to this holder.
+     * @param userName the username you want
+     * @return null if user already exists. or new User
+     */
+    public User createUser(String userName) {
+        if (this.users.containsKey(userName.toLowerCase())) {
+            return null;
+        }
+        User newUser = new User(this, userName);
+        newUser.setGroup(defaultGroup);
+        this.addUser(newUser);
+        haveUsersChanged = true;
+        return newUser;
+    }
+
+    /**
+     * Creates a new Group with the given name
+     * and adds it to this holder
+     * @param groupName the groupname you want
+     * @return null if group already exists. or new Group
+     */
+    public Group createGroup(String groupName) {
+        if (this.groups.containsKey(groupName.toLowerCase())) {
+            return null;
+        }
+        Group newGroup = new Group(this, groupName);
+        this.addGroup(newGroup);
+        haveGroupsChanged = true;
+        return newGroup;
+    }
+
+    /**
+     *
+     * @return a collection of the groups
+     */
+    public Collection<Group> getGroupList() {
+        return groups.values();
+    }
+
+    /**
+     *
+     * @return a collection of the users
+     */
+    public Collection<User> getUserList() {
+        return users.values();
+    }
+
+    /**
+     *  reads the file again
+     */
+    public void reload() {
+        try {
+            WorldDataHolder ph = load(this.getName(), getGroupsFile(), getUsersFile());
+            this.defaultGroup = ph.defaultGroup;
+            this.groups = ph.groups;
+            this.users = ph.users;
+        } catch (Exception ex) {
+            Logger.getLogger(WorldDataHolder.class.getName()).log(Level.SEVERE, null, ex);
+        }
+    }
+
+    /**
+     * Save by yourself!
+     * @deprecated
+     */
+    @Deprecated
+    public void commit() {
+        writeGroups(this, getGroupsFile());
+        writeUsers(this, getUsersFile());
+    }
+
+    /**
+     *  Returns a data holder for the given file
+     * @param worldName
+     * @param file
+     * @return
+     * @throws Exception
+     * @deprecated
+     */
+    @Deprecated
+    public static WorldDataHolder load(String worldName, File file) throws Exception {
+        WorldDataHolder ph = new WorldDataHolder(worldName);
+        ph.f = file;
+        final Yaml yaml = new Yaml(new SafeConstructor());
+        Map<String, Object> rootDataNode;
+        if (!file.exists()) {
+            throw new Exception("The file which should contain permissions does not exist!\n" + file.getPath());
+        }
+        FileInputStream rx = new FileInputStream(file);
+        try {
+            rootDataNode = (Map<String, Object>) yaml.load(new UnicodeReader(rx));
+            if (rootDataNode == null) {
+                throw new NullPointerException();
+            }
+        } catch (Exception ex) {
+            throw new Exception("The following file couldn't pass on Parser.\n" + file.getPath(), ex);
+        } finally {
+            rx.close();
+        }
+        Map<String, List<String>> inheritance = new HashMap<String, List<String>>();
+        try {
+            Map<String, Object> allGroupsNode = (Map<String, Object>) rootDataNode.get("groups");
+            for (String groupKey : allGroupsNode.keySet()) {
+                Map<String, Object> thisGroupNode = (Map<String, Object>) allGroupsNode.get(groupKey);
+                Group thisGrp = ph.createGroup(groupKey);
+                if (thisGrp == null) {
+                    throw new IllegalArgumentException("I think this user was declared more than once: " + groupKey);
+                }
+                if (thisGroupNode.get("default") == null) {
+                    thisGroupNode.put("default", false);
+                }
+                if ((Boolean.parseBoolean(thisGroupNode.get("default").toString()))) {
+                    if (ph.getDefaultGroup() != null) {
+                        GroupManager.logger.warning("The group " + thisGrp.getName() + " is declaring be default where" + ph.getDefaultGroup().getName() + " already was.");
+                        GroupManager.logger.warning("Overriding first request.");
+                    }
+                    ph.setDefaultGroup(thisGrp);
+                }
+
+                //PERMISSIONS NODE
+                if (thisGroupNode.get("permissions") == null) {
+                    thisGroupNode.put("permissions", new ArrayList<String>());
+                }
+                if (thisGroupNode.get("permissions") instanceof List) {
+                    for (Object o : ((List) thisGroupNode.get("permissions"))) {
+                        thisGrp.addPermission(o.toString());
+                    }
+                } else if (thisGroupNode.get("permissions") instanceof String) {
+                    thisGrp.addPermission((String) thisGroupNode.get("permissions"));
+                } else {
+                    throw new IllegalArgumentException("Unknown type of permissions node(Should be String or List<String>): " + thisGroupNode.get("permissions").getClass().getName());
+                }
+
+                //INFO NODE
+                Map<String, Object> infoNode = (Map<String, Object>) thisGroupNode.get("info");
+                if (infoNode != null) {
+                    thisGrp.setVariables(infoNode);
+                }
+
+                //END INFO NODE
+
+                Object inheritNode = thisGroupNode.get("inheritance");
+                if (inheritNode == null) {
+                    thisGroupNode.put("inheritance", new ArrayList<String>());
+                } else if (inheritNode instanceof List) {
+                    List<String> groupsInh = (List<String>) inheritNode;
+                    for (String grp : groupsInh) {
+                        if (inheritance.get(groupKey) == null) {
+                            List<String> thisInherits = new ArrayList<String>();
+                            inheritance.put(groupKey, thisInherits);
+                        }
+                        inheritance.get(groupKey).add(grp);
+
+                    }
+                }
+            }
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            throw new Exception("Your Permissions config file is invalid.  See console for details.");
+        }
+        if (ph.defaultGroup == null) {
+            throw new IllegalArgumentException("There was no Default Group declared.");
+        }
+        for (String groupKey : inheritance.keySet()) {
+            List<String> inheritedList = inheritance.get(groupKey);
+            Group thisGroup = ph.getGroup(groupKey);
+            for (String inheritedKey : inheritedList) {
+                Group inheritedGroup = ph.getGroup(inheritedKey);
+                if (thisGroup != null && inheritedGroup != null) {
+                    thisGroup.addInherits(inheritedGroup);
+                }
+            }
+        }
+        // Process USERS
+        Map<String, Object> allUsersNode = (Map<String, Object>) rootDataNode.get("users");
+        for (String usersKey : allUsersNode.keySet()) {
+            Map<String, Object> thisUserNode = (Map<String, Object>) allUsersNode.get(usersKey);
+            User thisUser = ph.createUser(usersKey);
+            if (thisUser == null) {
+                throw new IllegalArgumentException("I think this user was declared more than once: " + usersKey);
+            }
+            if (thisUserNode.get("permissions") == null) {
+                thisUserNode.put("permissions", new ArrayList<String>());
+            }
+            if (thisUserNode.get("permissions") instanceof List) {
+                for (Object o : ((List) thisUserNode.get("permissions"))) {
+                    thisUser.addPermission(o.toString());
+                }
+            } else if (thisUserNode.get("permissions") instanceof String) {
+                thisUser.addPermission(thisUserNode.get("permissions").toString());
+            }
+
+
+            //USER INFO NODE - BETA
+
+            //INFO NODE
+            Map<String, Object> infoNode = (Map<String, Object>) thisUserNode.get("info");
+            if (infoNode != null) {
+                thisUser.setVariables(infoNode);
+            }
+            //END INFO NODE - BETA
+
+            if (thisUserNode.get("group") != null) {
+                Group hisGroup = ph.getGroup(thisUserNode.get("group").toString());
+                if (hisGroup == null) {
+                    throw new IllegalArgumentException("There is no group " + thisUserNode.get("group").toString() + ", as stated for player " + thisUser.getName());
+                }
+                thisUser.setGroup(hisGroup);
+            } else {
+                thisUser.setGroup(ph.defaultGroup);
+            }
+        }
+        return ph;
+    }
+
+    /**
+     *  Returns a data holder for the given file
+     * @param worldName
+     * @param groupsFile
+     * @param usersFile
+     * @return
+     * @throws FileNotFoundException
+     * @throws IOException
+     */
+    public static WorldDataHolder load(String worldName, File groupsFile, File usersFile) throws FileNotFoundException, IOException {
+        WorldDataHolder ph = new WorldDataHolder(worldName);
+        ph.groupsFile = groupsFile;
+        ph.usersFile = usersFile;
+
+
+        //READ GROUPS FILE
+        Yaml yamlGroups = new Yaml(new SafeConstructor());
+        Map<String, Object> groupsRootDataNode;
+        if (!groupsFile.exists()) {
+            throw new IllegalArgumentException("The file which should contain permissions does not exist!\n" + groupsFile.getPath());
+        }
+        FileInputStream groupsInputStream = new FileInputStream(groupsFile);
+        try {
+            groupsRootDataNode = (Map<String, Object>) yamlGroups.load(new UnicodeReader(groupsInputStream));
+            if (groupsRootDataNode == null) {
+                throw new NullPointerException();
+            }
+        } catch (Exception ex) {
+            throw new IllegalArgumentException("The following file couldn't pass on Parser.\n" + groupsFile.getPath(), ex);
+        } finally {
+            groupsInputStream.close();
+        }
+
+        //PROCESS GROUPS FILE
+        Map<String, List<String>> inheritance = new HashMap<String, List<String>>();
+        try {
+            Map<String, Object> allGroupsNode = (Map<String, Object>) groupsRootDataNode.get("groups");
+            for (String groupKey : allGroupsNode.keySet()) {
+                Map<String, Object> thisGroupNode = (Map<String, Object>) allGroupsNode.get(groupKey);
+                Group thisGrp = ph.createGroup(groupKey);
+                if (thisGrp == null) {
+                    throw new IllegalArgumentException("I think this user was declared more than once: " + groupKey);
+                }
+                if (thisGroupNode.get("default") == null) {
+                    thisGroupNode.put("default", false);
+                }
+                if ((Boolean.parseBoolean(thisGroupNode.get("default").toString()))) {
+                    if (ph.getDefaultGroup() != null) {
+                        GroupManager.logger.warning("The group " + thisGrp.getName() + " is declaring be default where" + ph.getDefaultGroup().getName() + " already was.");
+                        GroupManager.logger.warning("Overriding first request.");
+                    }
+                    ph.setDefaultGroup(thisGrp);
+                }
+
+                //PERMISSIONS NODE
+                if (thisGroupNode.get("permissions") == null) {
+                    thisGroupNode.put("permissions", new ArrayList<String>());
+                }
+                if (thisGroupNode.get("permissions") instanceof List) {
+                    for (Object o : ((List) thisGroupNode.get("permissions"))) {
+                        thisGrp.addPermission(o.toString());
+                    }
+                } else if (thisGroupNode.get("permissions") instanceof String) {
+                    thisGrp.addPermission((String) thisGroupNode.get("permissions"));
+                } else {
+                    throw new IllegalArgumentException("Unknown type of permissions node(Should be String or List<String>): " + thisGroupNode.get("permissions").getClass().getName());
+                }
+
+                //INFO NODE
+                Map<String, Object> infoNode = (Map<String, Object>) thisGroupNode.get("info");
+                if (infoNode != null) {
+                    thisGrp.setVariables(infoNode);
+                }
+
+                //END INFO NODE
+
+                Object inheritNode = thisGroupNode.get("inheritance");
+                if (inheritNode == null) {
+                    thisGroupNode.put("inheritance", new ArrayList<String>());
+                } else if (inheritNode instanceof List) {
+                    List<String> groupsInh = (List<String>) inheritNode;
+                    for (String grp : groupsInh) {
+                        if (inheritance.get(groupKey) == null) {
+                            List<String> thisInherits = new ArrayList<String>();
+                            inheritance.put(groupKey, thisInherits);
+                        }
+                        inheritance.get(groupKey).add(grp);
+
+                    }
+                }
+            }
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            throw new IllegalArgumentException("Your Permissions config file is invalid.  See console for details.");
+        }
+        if (ph.defaultGroup == null) {
+            throw new IllegalArgumentException("There was no Default Group declared.");
+        }
+        for (String groupKey : inheritance.keySet()) {
+            List<String> inheritedList = inheritance.get(groupKey);
+            Group thisGroup = ph.getGroup(groupKey);
+            for (String inheritedKey : inheritedList) {
+                Group inheritedGroup = ph.getGroup(inheritedKey);
+                if (thisGroup != null && inheritedGroup != null) {
+                    thisGroup.addInherits(inheritedGroup);
+                }
+            }
+        }
+
+
+        //READ USERS FILE
+        Yaml yamlUsers = new Yaml(new SafeConstructor());
+        Map<String, Object> usersRootDataNode;
+        if (!groupsFile.exists()) {
+            throw new IllegalArgumentException("The file which should contain permissions does not exist!\n" + groupsFile.getPath());
+        }
+        FileInputStream usersInputStream = new FileInputStream(usersFile);
+        try {
+            usersRootDataNode = (Map<String, Object>) yamlUsers.load(new UnicodeReader(usersInputStream));
+            if (usersRootDataNode == null) {
+                throw new NullPointerException();
+            }
+        } catch (Exception ex) {
+            throw new IllegalArgumentException("The following file couldn't pass on Parser.\n" + groupsFile.getPath(), ex);
+        } finally {
+            usersInputStream.close();
+        }
+
+        // PROCESS USERS FILE
+        Map<String, Object> allUsersNode = (Map<String, Object>) usersRootDataNode.get("users");
+        for (String usersKey : allUsersNode.keySet()) {
+            Map<String, Object> thisUserNode = (Map<String, Object>) allUsersNode.get(usersKey);
+            User thisUser = ph.createUser(usersKey);
+            if (thisUser == null) {
+                throw new IllegalArgumentException("I think this user was declared more than once: " + usersKey);
+            }
+            if (thisUserNode.get("permissions") == null) {
+                thisUserNode.put("permissions", new ArrayList<String>());
+            }
+            if (thisUserNode.get("permissions") instanceof List) {
+                for (Object o : ((List) thisUserNode.get("permissions"))) {
+                    thisUser.addPermission(o.toString());
+                }
+            } else if (thisUserNode.get("permissions") instanceof String) {
+                thisUser.addPermission(thisUserNode.get("permissions").toString());
+            }
+
+            //SUBGROUPS LOADING
+            if (thisUserNode.get("subgroups") == null) {
+                thisUserNode.put("subgroups", new ArrayList<String>());
+            }
+            if (thisUserNode.get("subgroups") instanceof List) {
+                for (Object o : ((List) thisUserNode.get("subgroups"))) {
+                    Group subGrp = ph.getGroup(o.toString());
+                    if (subGrp != null) {
+                        thisUser.addSubGroup(subGrp);
+                    } else {
+                        GroupManager.logger.warning("Subgroup " + o.toString() + " not found for user " + thisUser.getName() + ". Ignoring entry.");
+                    }
+                }
+            } else if (thisUserNode.get("subgroups") instanceof String) {
+                Group subGrp = ph.getGroup(thisUserNode.get("subgroups").toString());
+                if (subGrp != null) {
+                    thisUser.addSubGroup(subGrp);
+                } else {
+                    GroupManager.logger.warning("Subgroup " + thisUserNode.get("subgroups").toString() + " not found for user " + thisUser.getName() + ". Ignoring entry.");
+                }
+            }
+
+
+            //USER INFO NODE - BETA
+
+            //INFO NODE
+            Map<String, Object> infoNode = (Map<String, Object>) thisUserNode.get("info");
+            if (infoNode != null) {
+                thisUser.setVariables(infoNode);
+            }
+            //END INFO NODE - BETA
+
+            if (thisUserNode.get("group") != null) {
+                Group hisGroup = ph.getGroup(thisUserNode.get("group").toString());
+                if (hisGroup == null) {
+                    throw new IllegalArgumentException("There is no group " + thisUserNode.get("group").toString() + ", as stated for player " + thisUser.getName());
+                }
+                thisUser.setGroup(hisGroup);
+            } else {
+                thisUser.setGroup(ph.defaultGroup);
+            }
+        }
+        return ph;
+    }
+
+    /**
+     *  Write a dataHolder in a specified file
+     * @param ph
+     * @param file
+     * @deprecated
+     */
+    @Deprecated
+    public static void write(WorldDataHolder ph, File file) {
+        Map<String, Object> root = new HashMap<String, Object>();
+
+        Map<String, Object> pluginMap = new HashMap<String, Object>();
+        root.put("plugin", pluginMap);
+
+        Map<String, Object> permissionsMap = new HashMap<String, Object>();
+        pluginMap.put("permissions", permissionsMap);
+
+        permissionsMap.put("system", "default");
+
+        Map<String, Object> groupsMap = new HashMap<String, Object>();
+        root.put("groups", groupsMap);
+        for (String groupKey : ph.groups.keySet()) {
+            Group group = ph.groups.get(groupKey);
+
+            Map<String, Object> aGroupMap = new HashMap<String, Object>();
+            groupsMap.put(group.getName(), aGroupMap);
+
+            aGroupMap.put("default", group.equals(ph.defaultGroup));
+
+            Map<String, Object> infoMap = new HashMap<String, Object>();
+            aGroupMap.put("info", infoMap);
+
+            for (String infoKey : group.getVariables().getVarKeyList()) {
+                infoMap.put(infoKey, group.getVariables().getVarObject(infoKey));
+            }
+
+            aGroupMap.put("inheritance", group.getInherits());
+
+            aGroupMap.put("permissions", group.getPermissionList());
+        }
+
+        Map<String, Object> usersMap = new HashMap<String, Object>();
+        root.put("users", usersMap);
+        for (String userKey : ph.users.keySet()) {
+            User user = ph.users.get(userKey);
+            if ((user.getGroup() == null || user.getGroup().equals(ph.defaultGroup)) && user.getPermissionList().isEmpty()) {
+                continue;
+            }
+
+            Map<String, Object> aUserMap = new HashMap<String, Object>();
+            usersMap.put(user.getName(), aUserMap);
+
+            if (user.getGroup() == null) {
+                aUserMap.put("group", ph.defaultGroup.getName());
+            } else {
+                aUserMap.put("group", user.getGroup().getName());
+            }
+            //USER INFO NODE - BETA
+            if (user.getVariables().getSize() > 0) {
+                Map<String, Object> infoMap = new HashMap<String, Object>();
+                aUserMap.put("info", infoMap);
+
+                for (String infoKey : user.getVariables().getVarKeyList()) {
+                    infoMap.put(infoKey, user.getVariables().getVarObject(infoKey));
+                }
+            }
+            //END USER INFO NODE - BETA
+
+            aUserMap.put("permissions", user.getPermissionList());
+        }
+        DumperOptions opt = new DumperOptions();
+        opt.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
+        final Yaml yaml = new Yaml(opt);
+
+        FileWriter tx = null;
+        try {
+            tx = new FileWriter(file, false);
+            tx.write(yaml.dump(root));
+            tx.flush();
+        } catch (Exception e) {
+        } finally {
+            try {
+                tx.close();
+            } catch (IOException ex) {
+            }
+        }
+    }
+
+    /**
+     *  Write a dataHolder in a specified file
+     * @param ph
+     * @param groupsFile
+     */
+    public static void writeGroups(WorldDataHolder ph, File groupsFile) {
+        Map<String, Object> root = new HashMap<String, Object>();
+
+        Map<String, Object> groupsMap = new HashMap<String, Object>();
+        root.put("groups", groupsMap);
+        for (String groupKey : ph.groups.keySet()) {
+            Group group = ph.groups.get(groupKey);
+
+            Map<String, Object> aGroupMap = new HashMap<String, Object>();
+            groupsMap.put(group.getName(), aGroupMap);
+
+            if (ph.defaultGroup == null) {
+                GroupManager.logger.severe("There is no default group for world: " + ph.getName());
+            }
+            aGroupMap.put("default", group.equals(ph.defaultGroup));
+
+            Map<String, Object> infoMap = new HashMap<String, Object>();
+            aGroupMap.put("info", infoMap);
+
+            for (String infoKey : group.getVariables().getVarKeyList()) {
+                infoMap.put(infoKey, group.getVariables().getVarObject(infoKey));
+            }
+
+            aGroupMap.put("inheritance", group.getInherits());
+
+            aGroupMap.put("permissions", group.getPermissionList());
+        }
+
+        DumperOptions opt = new DumperOptions();
+        opt.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
+        final Yaml yaml = new Yaml(opt);
+
+        FileWriter tx = null;
+        try {
+            tx = new FileWriter(groupsFile, false);
+            tx.write(yaml.dump(root));
+            tx.flush();
+        } catch (Exception e) {
+        } finally {
+            try {
+                tx.close();
+            } catch (IOException ex) {
+            }
+        }
+    }
+
+    /**
+     *  Write a dataHolder in a specified file
+     * @param ph
+     * @param usersFile
+     */
+    public static void writeUsers(WorldDataHolder ph, File usersFile) {
+        Map<String, Object> root = new HashMap<String, Object>();
+
+        Map<String, Object> usersMap = new HashMap<String, Object>();
+        root.put("users", usersMap);
+        for (String userKey : ph.users.keySet()) {
+            User user = ph.users.get(userKey);
+            if ((user.getGroup() == null || user.getGroup().equals(ph.defaultGroup)) && user.getPermissionList().isEmpty() && user.getVariables().isEmpty() && user.isSubGroupsEmpty()) {
+                continue;
+            }
+
+            Map<String, Object> aUserMap = new HashMap<String, Object>();
+            usersMap.put(user.getName(), aUserMap);
+
+            if (user.getGroup() == null) {
+                aUserMap.put("group", ph.defaultGroup.getName());
+            } else {
+                aUserMap.put("group", user.getGroup().getName());
+            }
+            //USER INFO NODE - BETA
+            if (user.getVariables().getSize() > 0) {
+                Map<String, Object> infoMap = new HashMap<String, Object>();
+                aUserMap.put("info", infoMap);
+                for (String infoKey : user.getVariables().getVarKeyList()) {
+                    infoMap.put(infoKey, user.getVariables().getVarObject(infoKey));
+                }
+            }
+            //END USER INFO NODE - BETA
+            aUserMap.put("permissions", user.getPermissionList());
+
+            //SUBGROUPS NODE - BETA
+            aUserMap.put("subgroups", user.subGroupListStringCopy());
+            //END SUBGROUPS NODE - BETA
+        }
+        DumperOptions opt = new DumperOptions();
+        opt.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
+        final Yaml yaml = new Yaml(opt);
+
+        FileWriter tx = null;
+        try {
+            tx = new FileWriter(usersFile, false);
+            tx.write(yaml.dump(root));
+            tx.flush();
+        } catch (Exception e) {
+        } finally {
+            try {
+                tx.close();
+            } catch (IOException ex) {
+            }
+        }
+    }
+
+    /**
+     * Don't use this. Unless you want to make this plugin to interact with original Nijikokun Permissions
+     * This method is supposed to make the original one reload the file, and propagate the changes made here.
+     *
+     * Prefer to use the AnjoCaido's fake version of Nijikokun's Permission plugin.
+     * The AnjoCaido's Permission can propagate the changes made on this plugin instantly,
+     * without need to save the file.
+     *
+     * @param server the server that holds the plugin
+     * @deprecated it is not used anymore... unless if you use original Permissions
+     */
+    @Deprecated
+    public static void reloadOldPlugins(Server server) {
+        // Only reload permissions
+        PluginManager pm = server.getPluginManager();
+        Plugin[] plugins = pm.getPlugins();
+        for (int i = 0; i < plugins.length; i++) {
+            plugins[i].getConfiguration().load();
+            try {
+                plugins[i].getClass().getMethod("setupPermissions").invoke(plugins[i]);
+            } catch (Exception ex) {
+                continue;
+            }
+        }
+    }
+
+    /**
+     * @return the permissionsHandler
+     */
+    public AnjoPermissionsHandler getPermissionsHandler() {
+        if (permissionsHandler == null) {
+            permissionsHandler = new AnjoPermissionsHandler(this);
+        }
+        return permissionsHandler;
+    }
+
+    /**
+     *
+     * @return
+     */
+    public boolean haveUsersChanged() {
+        if (haveUsersChanged) {
+            return true;
+        }
+        for (User u : users.values()) {
+            if (u.isChanged()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     *
+     * @return
+     */
+    public boolean haveGroupsChanged() {
+        if (haveGroupsChanged) {
+            return true;
+        }
+        for (Group g : groups.values()) {
+            if (g.isChanged()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     *
+     */
+    public void removeUsersChangedFlag() {
+        haveUsersChanged = false;
+        for (User u : users.values()) {
+            u.flagAsSaved();
+        }
+    }
+
+    /**
+     *
+     */
+    public void removeGroupsChangedFlag() {
+        haveGroupsChanged = false;
+        for (Group g : groups.values()) {
+            g.flagAsSaved();
+        }
+    }
+
+    /**
+     * @return the usersFile
+     */
+    public File getUsersFile() {
+        return usersFile;
+    }
+
+    /**
+     * @return the groupsFile
+     */
+    public File getGroupsFile() {
+        return groupsFile;
+    }
+
+    /**
+     * @return the name
+     */
+    public String getName() {
+        return name;
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/worlds/WorldsHolder.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/worlds/WorldsHolder.java
new file mode 100644
index 000000000..83073c10b
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/worlds/WorldsHolder.java
@@ -0,0 +1,423 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.dataholder.worlds;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.anjocaido.groupmanager.GroupManager;
+import org.anjocaido.groupmanager.dataholder.WorldDataHolder;
+import org.anjocaido.groupmanager.dataholder.OverloadedWorldHolder;
+import org.anjocaido.groupmanager.permissions.AnjoPermissionsHandler;
+import org.anjocaido.groupmanager.utils.Tasks;
+import org.bukkit.entity.Player;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class WorldsHolder {
+
+    /**
+     * Map with instances of loaded worlds.
+     */
+    private Map<String, OverloadedWorldHolder> worldsData = new HashMap<String, OverloadedWorldHolder>();
+    /**
+     * Map of mirrors: <nonExistingWorldName, existingAndLoadedWorldName>
+     * The key is the mirror.
+     * The object is the mirrored.
+     * 
+     * Mirror shows the same data of mirrored.
+     */
+    private Map<String, String> mirrors = new HashMap<String, String>();
+    private OverloadedWorldHolder defaultWorld;
+    private String serverDefaultWorldName;
+    private GroupManager plugin;
+    private File worldsFolder;
+
+    /**
+     *
+     * @param plugin
+     */
+    public WorldsHolder(GroupManager plugin) {
+        this.plugin = plugin;
+        verifyFirstRun();
+        initialLoad();
+        if (defaultWorld == null) {
+            throw new IllegalStateException("There is no default group! OMG!");
+        }
+    }
+
+    private void initialLoad() {
+        initialWorldLoading();
+        mirrorSetUp();
+    }
+    private void initialWorldLoading(){
+        //LOAD EVERY WORLD POSSIBLE
+        loadWorld(serverDefaultWorldName);
+        defaultWorld = worldsData.get(serverDefaultWorldName);
+
+        for (File folder : worldsFolder.listFiles()) {
+            if (folder.getName().equalsIgnoreCase(serverDefaultWorldName)) {
+                continue;
+            }
+            if (folder.isDirectory()) {
+                loadWorld(folder.getName());
+            }
+        }
+    }
+    public void mirrorSetUp(){
+        mirrors.clear();
+        Map<String, Object> mirrorsMap = plugin.getConfig().getMirrorsMap();
+        if (mirrorsMap != null) {
+            for (String source : mirrorsMap.keySet()) {
+                if (mirrorsMap.get(source) instanceof ArrayList) {
+                    ArrayList mirrorList = (ArrayList) mirrorsMap.get(source);
+                    for (Object o : mirrorList) {
+                        try {
+                            mirrors.remove(o.toString().toLowerCase());
+                        } catch (Exception e) {
+                        }
+                        mirrors.put(o.toString().toLowerCase(), getWorldData(source).getName());
+                    }
+                } else if (mirrorsMap.get(source) instanceof Object) {
+                    String aMirror = mirrorsMap.get(source).toString();
+                    mirrors.put(aMirror.toLowerCase(), getWorldData(source).getName());
+                }
+            }
+        }
+    }
+
+    /**
+     *
+     */
+    public void reloadAll() {
+        ArrayList<WorldDataHolder> alreadyDone = new ArrayList<WorldDataHolder>();
+        for (WorldDataHolder w : worldsData.values()) {
+            if (alreadyDone.contains(w)) {
+                continue;
+            }
+            w.reload();
+            alreadyDone.add(w);
+        }
+    }
+
+    /**
+     *
+     * @param worldName
+     */
+    public void reloadWorld(String worldName) {
+        getWorldData(worldName).reload();
+    }
+
+    /**
+     * 
+     */
+    public void saveChanges() {
+        ArrayList<WorldDataHolder> alreadyDone = new ArrayList<WorldDataHolder>();
+        for (OverloadedWorldHolder w : worldsData.values()) {
+            if (alreadyDone.contains(w)) {
+                continue;
+            }
+            Tasks.removeOldFiles(plugin.getBackupFolder());
+            if (w == null) {
+                GroupManager.logger.severe("WHAT HAPPENED?");
+                continue;
+            }
+            if (w.haveGroupsChanged()) {
+                String groupsFolderName = w.getGroupsFile().getParentFile().getName();
+                File backupGroups = new File(plugin.getBackupFolder(), "bkp_" + w.getName() + "_g_" + Tasks.getDateString() + ".yml");
+                try {
+                    Tasks.copy(w.getGroupsFile(), backupGroups);
+                } catch (IOException ex) {
+                    GroupManager.logger.log(Level.SEVERE, null, ex);
+                }
+                WorldDataHolder.writeGroups(w, w.getGroupsFile());
+                w.removeGroupsChangedFlag();
+            }
+            if (w.haveUsersChanged()) {
+                File backupUsers = new File(plugin.getBackupFolder(), "bkp_" + w.getName() + "_u_" + Tasks.getDateString() + ".yml");
+                try {
+                    Tasks.copy(w.getUsersFile(), backupUsers);
+                } catch (IOException ex) {
+                    GroupManager.logger.log(Level.SEVERE, null, ex);
+                }
+                WorldDataHolder.writeUsers(w, w.getUsersFile());
+                w.removeUsersChangedFlag();
+            }
+            alreadyDone.add(w);
+        }
+    }
+
+    /**
+     * Returns the dataHolder for the given world.
+     * If the world is not on the worlds list, returns the default world
+     * holder.
+     *
+     * (WHEN A WORLD IS CONFIGURED TO MIRROR, IT WILL BE ON THE LIST, BUT
+     * POINTING TO ANOTHER WORLD HOLDER)
+     *
+     * Mirrors prevails original data.
+     *
+     * @param worldName
+     * @return
+     */
+    public OverloadedWorldHolder getWorldData(String worldName) {
+        OverloadedWorldHolder data = worldsData.get(worldName.toLowerCase());
+        if (mirrors.containsKey(worldName.toLowerCase())) {
+            String realOne = mirrors.get(worldName.toLowerCase());
+            data = worldsData.get(realOne.toLowerCase());
+        }
+        if (data == null) {
+            GroupManager.logger.finest("Requested world " + worldName + " not found or badly mirrored. Returning default world...");
+            data = getDefaultWorld();
+        }
+        return data;
+    }
+
+    /**
+     * Do a matching of playerName, if it s found only one player, do
+     * getWorldData(player)
+     * @param playerName
+     * @return null if matching returned no player, or more than one.
+     */
+    public OverloadedWorldHolder getWorldDataByPlayerName(String playerName) {
+        List<Player> matchPlayer = plugin.getServer().matchPlayer(playerName);
+        if (matchPlayer.size() == 1) {
+            return getWorldData(matchPlayer.get(0));
+        }
+        return null;
+    }
+
+    /**
+     * Retrieves the field p.getWorld().getName() and do
+     * getWorld(worldName)
+     * @param p
+     * @return
+     */
+    public OverloadedWorldHolder getWorldData(Player p) {
+        return getWorldData(p.getWorld().getName());
+    }
+
+    /**
+     * It does getWorld(worldName).getPermissionsHandler()
+     * @param worldName
+     * @return
+     */
+    public AnjoPermissionsHandler getWorldPermissions(String worldName) {
+        return getWorldData(worldName).getPermissionsHandler();
+    }
+
+    /**
+     *It does getWorldData(p).getPermission
+     * @param p
+     * @return
+     */
+    public AnjoPermissionsHandler getWorldPermissions(Player p) {
+        return getWorldData(p).getPermissionsHandler();
+    }
+
+    /**
+     * Id does getWorldDataByPlayerName(playerName).
+     * If it doesnt return null, it will return result.getPermissionsHandler()
+     * @param playerName
+     * @return null if the player matching gone wrong.
+     */
+    public AnjoPermissionsHandler getWorldPermissionsByPlayerName(String playerName) {
+        WorldDataHolder dh = getWorldDataByPlayerName(playerName);
+        if (dh != null) {
+            return dh.getPermissionsHandler();
+        }
+        return null;
+    }
+
+    private void verifyFirstRun() {
+        worldsFolder = new File(plugin.getDataFolder(), "worlds");
+        if (!worldsFolder.exists()) {
+            worldsFolder.mkdirs();
+        }
+        Properties server = new Properties();
+        try {
+            server.load(new FileInputStream(new File("server.properties")));
+        } catch (IOException ex) {
+            GroupManager.logger.log(Level.SEVERE, null, ex);
+        }
+        serverDefaultWorldName = server.getProperty("level-name").toLowerCase();
+        File defaultWorldFolder = new File(worldsFolder, serverDefaultWorldName);
+        if (!defaultWorldFolder.exists()) {
+            defaultWorldFolder.mkdirs();
+        }
+        if (defaultWorldFolder.exists()) {
+            File groupsFile = new File(defaultWorldFolder, "groups.yml");
+            File usersFile = new File(defaultWorldFolder, "users.yml");
+            File oldDataFile = new File(plugin.getDataFolder(), "data.yml");
+            if (!groupsFile.exists()) {
+                if (oldDataFile.exists()) {
+                    try {
+                        Tasks.copy(oldDataFile, groupsFile);
+                    } catch (IOException ex) {
+                        GroupManager.logger.log(Level.SEVERE, null, ex);
+                    }
+                } else {
+                    InputStream template = plugin.getResourceAsStream("groups.yml");
+                    try {
+                        Tasks.copy(template, groupsFile);
+                    } catch (IOException ex) {
+                        GroupManager.logger.log(Level.SEVERE, null, ex);
+                    }
+                }
+            }
+            if (!usersFile.exists()) {
+                if (oldDataFile.exists()) {
+                    try {
+                        Tasks.copy(oldDataFile, usersFile);
+                    } catch (IOException ex) {
+                        GroupManager.logger.log(Level.SEVERE, null, ex);
+                    }
+                } else {
+                    InputStream template = plugin.getResourceAsStream("users.yml");
+                    try {
+                        Tasks.copy(template, usersFile);
+                    } catch (IOException ex) {
+                        GroupManager.logger.log(Level.SEVERE, null, ex);
+                    }
+                }
+            }
+            try {
+                if (oldDataFile.exists()) {
+                    oldDataFile.renameTo(new File(plugin.getDataFolder(), "NOT_USED_ANYMORE_data.yml"));
+                }
+            } catch (Exception ex) {
+            }
+        }
+    }
+
+    /**
+     * Copies the specified world data to another world
+     * @param fromWorld
+     * @param toWorld
+     * @return
+     */
+    public boolean cloneWorld(String fromWorld, String toWorld) {
+        File fromWorldFolder = new File(worldsFolder, fromWorld);
+        File toWorldFolder = new File(worldsFolder, toWorld);
+        if (toWorldFolder.exists() || !fromWorldFolder.exists()) {
+            return false;
+        }
+        File fromWorldGroups = new File(fromWorldFolder, "groups.yml");
+        File fromWorldUsers = new File(fromWorldFolder, "users.yml");
+        if (!fromWorldGroups.exists() || !fromWorldUsers.exists()) {
+            return false;
+        }
+        File toWorldGroups = new File(toWorldFolder, "groups.yml");
+        File toWorldUsers = new File(toWorldFolder, "users.yml");
+        toWorldFolder.mkdirs();
+        try {
+            Tasks.copy(fromWorldGroups, toWorldGroups);
+            Tasks.copy(fromWorldUsers, toWorldUsers);
+        } catch (IOException ex) {
+            Logger.getLogger(WorldsHolder.class.getName()).log(Level.SEVERE, null, ex);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Load a world from file.
+     * If it already been loaded, summon reload method from dataHolder.
+     * @param worldName
+     */
+    public void loadWorld(String worldName) {
+        if (worldsData.containsKey(worldName.toLowerCase())) {
+            worldsData.get(worldName.toLowerCase()).reload();
+            return;
+        }
+        GroupManager.logger.finest("Trying to load world " + worldName + "...");
+        File thisWorldFolder = new File(worldsFolder, worldName);
+        if (thisWorldFolder.exists() && thisWorldFolder.isDirectory()) {
+            File groupsFile = new File(thisWorldFolder, "groups.yml");
+            File usersFile = new File(thisWorldFolder, "users.yml");
+            if (!groupsFile.exists()) {
+                throw new IllegalArgumentException("Groups file for world '" + worldName + "' doesnt exist: " + groupsFile.getPath());
+            }
+            if (!usersFile.exists()) {
+                throw new IllegalArgumentException("Users file for world '" + worldName + "' doesnt exist: " + usersFile.getPath());
+            }
+            try {
+                OverloadedWorldHolder thisWorldData = new OverloadedWorldHolder(WorldDataHolder.load(worldName, groupsFile, usersFile));
+                if (thisWorldData != null) {
+                    GroupManager.logger.finest("Successful load of world " + worldName + "...");
+                    worldsData.put(worldName.toLowerCase(), thisWorldData);
+                    return;
+                }
+            } catch (FileNotFoundException ex) {
+                GroupManager.logger.log(Level.SEVERE, null, ex);
+                return;
+            } catch (IOException ex) {
+                GroupManager.logger.log(Level.SEVERE, null, ex);
+                return;
+            }
+            GroupManager.logger.severe("Failed to load world " + worldName + "...");
+        }
+    }
+
+    /**
+     * Tells if the such world has been mapped.
+     *
+     * It will return true if world is a mirror.
+     * 
+     * @param worldName
+     * @return true if world is loaded or mirrored. false if not listed
+     */
+    public boolean isInList(String worldName) {
+        if (worldsData.containsKey(worldName.toLowerCase()) || mirrors.containsKey(worldName.toLowerCase())) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Verify if world has it's own file permissions.
+     *
+     * @param worldName
+     * @return true if it has its own holder. false if not.
+     */
+    public boolean hasOwnData(String worldName) {
+        if (worldsData.containsKey(worldName.toLowerCase())) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * @return the defaultWorld
+     */
+    public OverloadedWorldHolder getDefaultWorld() {
+        return defaultWorld;
+    }
+
+    /**
+     * Returns all physically loaded worlds.
+     * @return
+     */
+    public ArrayList<OverloadedWorldHolder> allWorldsDataList() {
+        ArrayList<OverloadedWorldHolder> list = new ArrayList<OverloadedWorldHolder>();
+        for (OverloadedWorldHolder data : worldsData.values()) {
+            if (!list.contains(data)) {
+                list.add(data);
+            }
+        }
+        return list;
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/permissions/AnjoPermissionsHandler.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/permissions/AnjoPermissionsHandler.java
new file mode 100644
index 000000000..ca223da81
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/permissions/AnjoPermissionsHandler.java
@@ -0,0 +1,856 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.permissions;
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.StringTokenizer;
+import org.anjocaido.groupmanager.GroupManager;
+import org.anjocaido.groupmanager.data.Group;
+import org.anjocaido.groupmanager.dataholder.WorldDataHolder;
+import org.anjocaido.groupmanager.data.User;
+import org.anjocaido.groupmanager.utils.PermissionCheckResult;
+import org.bukkit.entity.Player;
+
+/**
+ *  Everything here maintains the model created by Nijikokun
+ *
+ * But implemented to use GroupManager system. Which provides instant changes,
+ * without file access.
+ *
+ * It holds permissions only for one single world.
+ *
+ * @author gabrielcouto
+ */
+public class AnjoPermissionsHandler extends PermissionsReaderInterface {
+
+    WorldDataHolder ph = null;
+
+    /**
+     * It needs a WorldDataHolder to work with.
+     * @param holder
+     */
+    public AnjoPermissionsHandler(WorldDataHolder holder) {
+        ph = holder;
+    }
+
+    /**
+     * A short name method, for permission method.
+     * @param player
+     * @param permission
+     * @return
+     */
+    @Override
+    public boolean has(Player player, String permission) {
+        return permission(player, permission);
+    }
+
+    /**
+     *  Checks if a player can use that permission node.
+     * @param player
+     * @param permission
+     * @return
+     */
+    @Override
+    public boolean permission(Player player, String permission) {
+        return checkUserPermission(ph.getUser(player.getName()), permission);
+    }
+
+    /**
+     * Returns the name of the group of that player name.
+     * @param userName
+     * @return
+     */
+    @Override
+    public String getGroup(String userName) {
+        return ph.getUser(userName).getGroup().getName();
+    }
+
+    /**
+     *  Verify if player is in suck group.
+     * It will check it's groups inheritance.
+     *
+     * So if you have a group Admin > Moderator
+     *
+     * And verify the player 'MyAdmin', which is Admin, it will return true for both
+     * Admin or Moderator groups.
+     *
+     * Mas if you haave a player 'MyModerator', which is Moderator,
+     * it will give false if you pass Admin in group parameter.
+     *
+     * @param name
+     * @param group
+     * @return
+     */
+    @Override
+    public boolean inGroup(String name, String group) {
+        if (hasGroupInInheritance(ph.getUser(name).getGroup(), group)) {
+            return true;
+        }
+        for (Group subGroup : ph.getUser(name).subGroupListCopy()) {
+            if (hasGroupInInheritance(subGroup, group)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Returns the String prefix for the given group
+     * @param groupName
+     * @return empty string if found none.
+     */
+    @Override
+    public String getGroupPrefix(String groupName) {
+        Group g = ph.getGroup(groupName);
+        if (g == null) {
+            return null;
+        }
+        return g.getVariables().getVarString("prefix");
+    }
+
+    /**
+     * Return the suffix for the given group name
+     * @param groupName
+     * @return
+     */
+    @Override
+    public String getGroupSuffix(String groupName) {
+        Group g = ph.getGroup(groupName);
+        if (g == null) {
+            return null;
+        }
+        return g.getVariables().getVarString("suffix");
+    }
+
+    /**
+     *
+     * @param groupName
+     * @return
+     */
+    @Override
+    public boolean canGroupBuild(String groupName) {
+        Group g = ph.getGroup(groupName);
+        if (g == null) {
+            return false;
+        }
+        return g.getVariables().getVarBoolean("build");
+    }
+
+    /**
+     * It returns a string variable value, set in the INFO node of the group.
+     * It will harvest inheritance for value.
+     * @param groupName
+     * @param variable
+     * @return null if no group with that variable is found.
+     */
+    @Override
+    public String getGroupPermissionString(String groupName, String variable) {
+        Group start = ph.getGroup(groupName);
+        if (start == null) {
+            return null;
+        }
+        Group result = nextGroupWithVariable(start, variable);
+        if (result == null) {
+            return null;
+        }
+        return result.getVariables().getVarString(variable);
+    }
+
+    /**
+     *  It returns a Integer variable value
+     * It will harvest inheritance for value.
+     * @param groupName
+     * @param variable
+     * @return -1 if none found or not parseable.
+     */
+    @Override
+    public int getGroupPermissionInteger(String groupName, String variable) {
+        Group start = ph.getGroup(groupName);
+        if (start == null) {
+            return -1;
+        }
+        Group result = nextGroupWithVariable(start, variable);
+        if (result == null) {
+            return -1;
+        }
+        return result.getVariables().getVarInteger(variable);
+    }
+
+    /**
+     * Returns a boolean for given variable in INFO node.
+     * It will harvest inheritance for value.
+     * @param group
+     * @param variable
+     * @return false if not found/not parseable.
+     */
+    @Override
+    public boolean getGroupPermissionBoolean(String group, String variable) {
+        Group start = ph.getGroup(group);
+        if (start == null) {
+            return false;
+        }
+        Group result = nextGroupWithVariable(start, variable);
+        if (result == null) {
+            return false;
+        }
+        return result.getVariables().getVarBoolean(variable);
+    }
+
+    /**
+     * Returns a double value for the given variable name in INFO node.
+     * It will harvest inheritance for value.
+     * @param group
+     * @param variable
+     * @return -1 if not found / not parseable.
+     */
+    @Override
+    public double getGroupPermissionDouble(String group, String variable) {
+        Group start = ph.getGroup(group);
+        if (start == null) {
+            return -1;
+        }
+        Group result = nextGroupWithVariable(start, variable);
+        if (result == null) {
+            return -1;
+        }
+        return result.getVariables().getVarDouble(variable);
+    }
+
+    /**
+     * Returns the variable value of the user, in INFO node.
+     * @param user
+     * @param variable
+     * @return
+     */
+    @Override
+    public String getUserPermissionString(String user, String variable) {
+        User auser = ph.getUser(user);
+        if (auser == null) {
+            return "";
+        }
+        return auser.getVariables().getVarString(variable);
+    }
+
+    /**
+     * Returns the variable value of the user, in INFO node.
+     * @param user
+     * @param variable
+     * @return
+     */
+    @Override
+    public int getUserPermissionInteger(String user, String variable) {
+        User auser = ph.getUser(user);
+        if (auser == null) {
+            return -1;
+        }
+        return auser.getVariables().getVarInteger(variable);
+    }
+
+    /**
+     * Returns the variable value of the user, in INFO node.
+     * @param user
+     * @param variable
+     * @return
+     */
+    @Override
+    public boolean getUserPermissionBoolean(String user, String variable) {
+        User auser = ph.getUser(user);
+        if (auser == null) {
+            return false;
+        }
+        return auser.getVariables().getVarBoolean(variable);
+    }
+
+    /**
+     * Returns the variable value of the user, in INFO node.
+     * @param user
+     * @param variable
+     * @return
+     */
+    @Override
+    public double getUserPermissionDouble(String user, String variable) {
+        User auser = ph.getUser(user);
+        if (auser == null) {
+            return -1;
+        }
+        return auser.getVariables().getVarDouble(variable);
+    }
+
+    /**
+     * Returns the variable value of the user, in INFO node.
+     * If not found, it will search for his Group variables.
+     * It will harvest the inheritance.
+     * @param user
+     * @param variable
+     * @return empty string if not found
+     */
+    @Override
+    public String getPermissionString(String user, String variable) {
+        User auser = ph.getUser(user);
+        if (auser == null) {
+            return "";
+        }
+        if (auser.getVariables().hasVar(variable)) {
+            return auser.getVariables().getVarString(variable);
+        }
+        Group start = auser.getGroup();
+        if (start == null) {
+            return "";
+        }
+        Group result = nextGroupWithVariable(start, variable);
+        if (result == null) {
+            return "";
+        }
+        return result.getVariables().getVarString(variable);
+        //return getUserPermissionString(user, variable);
+    }
+
+    /**
+     * Returns the variable value of the user, in INFO node.
+     * If not found, it will search for his Group variables.
+     * It will harvest the inheritance.
+     * @param user
+     * @param variable
+     * @return -1 if not found
+     */
+    @Override
+    public int getPermissionInteger(String user, String variable) {
+        User auser = ph.getUser(user);
+        if (auser == null) {
+            return -1;
+        }
+        if (auser.getVariables().hasVar(variable)) {
+            return auser.getVariables().getVarInteger(variable);
+        }
+        Group start = auser.getGroup();
+        if (start == null) {
+            return -1;
+        }
+        Group result = nextGroupWithVariable(start, variable);
+        if (result == null) {
+            return -1;
+        }
+        return result.getVariables().getVarInteger(variable);
+        //return getUserPermissionInteger(string, string1);
+    }
+
+    /**
+     * Returns the variable value of the user, in INFO node.
+     * If not found, it will search for his Group variables.
+     * It will harvest the inheritance.
+     * @param user
+     * @param variable
+     * @return false if not found or not parseable to true.
+     */
+    @Override
+    public boolean getPermissionBoolean(String user, String variable) {
+        User auser = ph.getUser(user);
+        if (auser == null) {
+            return false;
+        }
+        if (auser.getVariables().hasVar(variable)) {
+            return auser.getVariables().getVarBoolean(variable);
+        }
+        Group start = auser.getGroup();
+        if (start == null) {
+            return false;
+        }
+        Group result = nextGroupWithVariable(start, variable);
+        if (result == null) {
+            return false;
+        }
+        return result.getVariables().getVarBoolean(variable);
+        //return getUserPermissionBoolean(user, string1);
+    }
+
+    /**
+     * Returns the variable value of the user, in INFO node.
+     * If not found, it will search for his Group variables.
+     * It will harvest the inheritance.
+     * @param user
+     * @param variable
+     * @return -1 if not found.
+     */
+    @Override
+    public double getPermissionDouble(String user, String variable) {
+        User auser = ph.getUser(user);
+        if (auser == null) {
+            return -1.0D;
+        }
+        if (auser.getVariables().hasVar(variable)) {
+            return auser.getVariables().getVarDouble(variable);
+        }
+        Group start = auser.getGroup();
+        if (start == null) {
+            return -1.0D;
+        }
+        Group result = nextGroupWithVariable(start, variable);
+        if (result == null) {
+            return -1.0D;
+        }
+        return result.getVariables().getVarDouble(variable);
+        //return getUserPermissionDouble(string, string1);
+    }
+
+    /**
+     * Does not include User's group permission
+     * @param user
+     * @param permission
+     * @return
+     */
+    public PermissionCheckResult checkUserOnlyPermission(User user, String permission) {
+        user.sortPermissions();
+        PermissionCheckResult result = new PermissionCheckResult();
+        result.askedPermission = permission;
+        result.owner = user;
+        for (String access : user.getPermissionList()) {
+            if (comparePermissionString(access, permission)) {
+                result.accessLevel = access;
+                if (access.startsWith("-")) {
+                    result.resultType = PermissionCheckResult.Type.NEGATION;
+                } else if (access.startsWith("+")) {
+                    result.resultType = PermissionCheckResult.Type.EXCEPTION;
+                } else {
+                    result.resultType = PermissionCheckResult.Type.FOUND;
+                }
+                return result;
+            }
+        }
+        result.resultType = PermissionCheckResult.Type.NOTFOUND;
+        return result;
+    }
+
+    /**
+     * Returns the node responsible for that permission.
+     * Does not include User's group permission.
+     * @param group
+     * @param permission
+     * @return the node if permission is found. if not found, return null
+     */
+    public PermissionCheckResult checkGroupOnlyPermission(Group group, String permission) {
+        group.sortPermissions();
+        PermissionCheckResult result = new PermissionCheckResult();
+        result.owner = group;
+        result.askedPermission = permission;
+        for (String access : group.getPermissionList()) {
+            if (comparePermissionString(access, permission)) {
+                result.accessLevel = access;
+                if (access.startsWith("-")) {
+                    result.resultType = PermissionCheckResult.Type.NEGATION;
+                } else if (access.startsWith("+")) {
+                    result.resultType = PermissionCheckResult.Type.EXCEPTION;
+                } else {
+                    result.resultType = PermissionCheckResult.Type.FOUND;
+                }
+                return result;
+            }
+        }
+        result.resultType = PermissionCheckResult.Type.NOTFOUND;
+        return result;
+    }
+
+    /**
+     * Check permissions, including it's group and inheritance.
+     * @param user
+     * @param permission
+     * @return true if permission was found. false if not, or was negated.
+     */
+    public boolean checkUserPermission(User user, String permission) {
+        PermissionCheckResult result = checkFullUserPermission(user, permission);
+        if (result.resultType.equals(PermissionCheckResult.Type.EXCEPTION)
+                || result.resultType.equals(PermissionCheckResult.Type.FOUND)) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Do what checkUserPermission did before. But now returning a PermissionCheckResult.
+     * @param user
+     * @param targetPermission
+     * @return
+     */
+    public PermissionCheckResult checkFullUserPermission(User user, String targetPermission) {
+        PermissionCheckResult result = new PermissionCheckResult();
+        result.askedPermission = targetPermission;
+        result.resultType = PermissionCheckResult.Type.NOTFOUND;
+
+        if (user == null || targetPermission == null) {
+            return result;
+        }
+
+        PermissionCheckResult resultUser = checkUserOnlyPermission(user, targetPermission);
+        if (!resultUser.resultType.equals(PermissionCheckResult.Type.NOTFOUND)) {
+            return resultUser;
+
+        }
+
+        //IT ONLY CHECKS GROUPS PERMISSIONS IF RESULT FOR USER IS NOT FOUND
+        PermissionCheckResult resultGroup = checkGroupPermissionWithInheritance(user.getGroup(), targetPermission);
+        if (!resultGroup.resultType.equals(PermissionCheckResult.Type.NOTFOUND)) {
+            return resultGroup;
+        }
+
+        //SUBGROUPS CHECK
+        for (Group subGroup : user.subGroupListCopy()) {
+            PermissionCheckResult resultSubGroup = checkGroupPermissionWithInheritance(subGroup, targetPermission);
+            if (!resultSubGroup.resultType.equals(PermissionCheckResult.Type.NOTFOUND)) {
+                return resultSubGroup;
+            }
+        }
+
+        //THEN IT RETURNS A NOT FOUND
+        return result;
+    }
+
+    /**
+     * Verifies if a given group has a variable. Including it's inheritance.
+     *
+     * it redirects to the other method now. This one was deprecated, and will
+     * be gone in a future release.
+     *
+     * @param start
+     * @param variable
+     * @param alreadyChecked
+     * @return returns the closest inherited group with the variable.
+     * @deprecated use now nextGroupWithVariable(Group start, String targetVariable)
+     */
+    @Deprecated
+    public Group nextGroupWithVariable(Group start, String variable, List<Group> alreadyChecked) {
+        return nextGroupWithVariable(start, variable);
+    }
+
+    /**
+     * Returns the next group, including inheritance, which contains that
+     * variable name.
+     *
+     * It does Breadth-first search
+     *
+     * @param start the starting group to look for
+     * @param targetVariable the variable name
+     * @return The group if found. Null if not.
+     */
+    public Group nextGroupWithVariable(Group start, String targetVariable) {
+        if (start == null || targetVariable == null) {
+            return null;
+        }
+        LinkedList<Group> stack = new LinkedList<Group>();
+        ArrayList<Group> alreadyVisited = new ArrayList<Group>();
+        stack.push(start);
+        alreadyVisited.add(start);
+        while (!stack.isEmpty()) {
+            Group now = stack.pop();
+            if (now.getVariables().hasVar(targetVariable)) {
+                return now;
+            }
+            for (String sonName : now.getInherits()) {
+                Group son = ph.getGroup(sonName);
+                if (son != null && !alreadyVisited.contains(son)) {
+                    stack.push(son);
+                    alreadyVisited.add(son);
+                }
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Check if given group inherits another group.
+     *
+     * redirected to the other method. this is deprecated now. and will be gone
+     * in the future releases.
+     *
+     * @param start The group to start the search.
+     * @param askedGroup Name of the group you're looking for
+     * @param alreadyChecked groups to ignore(pass null on it, please)
+     * @return true if it inherits the group.
+     * @deprecated prefer using hasGroupInInheritance(Group start, String askedGroup)
+     */
+    @Deprecated
+    public boolean searchGroupInInheritance(Group start, String askedGroup, List<Group> alreadyChecked) {
+        return hasGroupInInheritance(start, askedGroup);
+    }
+
+    /**
+     * Check if given group inherits another group.
+     *
+     * It does Breadth-first search
+     *
+     * @param start The group to start the search.
+     * @param askedGroup Name of the group you're looking for
+     * @return true if it inherits the group.
+     */
+    public boolean hasGroupInInheritance(Group start, String askedGroup) {
+        if (start == null || askedGroup == null) {
+            return false;
+        }
+        LinkedList<Group> stack = new LinkedList<Group>();
+        ArrayList<Group> alreadyVisited = new ArrayList<Group>();
+        stack.push(start);
+        alreadyVisited.add(start);
+        while (!stack.isEmpty()) {
+            Group now = stack.pop();
+            if (now.getName().equalsIgnoreCase(askedGroup)) {
+                return true;
+            }
+            for (String sonName : now.getInherits()) {
+                Group son = ph.getGroup(sonName);
+                if (son != null && !alreadyVisited.contains(son)) {
+                    stack.push(son);
+                    alreadyVisited.add(son);
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Check if the group has given permission. Including it's inheritance
+     * @param start
+     * @param permission
+     * @param alreadyChecked
+     * @return true if PermissionCheckResult is EXCEPTION or FOUND
+     * @deprecated use the other checkGroupPermissionWithInheritance for everything
+     */
+    @Deprecated
+    public boolean checkGroupPermissionWithInheritance(Group start, String permission, List<Group> alreadyChecked) {
+        PermissionCheckResult result = checkGroupPermissionWithInheritance(start, permission);
+        if (result.resultType.equals(result.resultType.EXCEPTION)
+                || result.resultType.equals(result.resultType.FOUND)) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Returns the result of permission check. Including inheritance.
+     * If found anything, the PermissionCheckResult that retuns will
+     * include the Group name, and the result type.
+     * Result types will be EXCEPTION, NEGATION, FOUND.
+     *
+     * If returned type NOTFOUND, the owner will be null,
+     * and ownerType too.
+     *
+     * It does Breadth-first search
+     *
+     * @param start
+     * @param targetPermission
+     * @return
+     */
+    public PermissionCheckResult checkGroupPermissionWithInheritance(Group start, String targetPermission) {
+        if (start == null || targetPermission == null) {
+            return null;
+        }
+        LinkedList<Group> stack = new LinkedList<Group>();
+        List<Group> alreadyVisited = new ArrayList<Group>();
+        stack.push(start);
+        alreadyVisited.add(start);
+        while (!stack.isEmpty()) {
+            Group now = stack.pop();
+            PermissionCheckResult resultNow = checkGroupOnlyPermission(now, targetPermission);
+            if (!resultNow.resultType.equals(PermissionCheckResult.Type.NOTFOUND)) {
+                return resultNow;
+            }
+            for (String sonName : now.getInherits()) {
+                Group son = ph.getGroup(sonName);
+                if (son != null && !alreadyVisited.contains(son)) {
+                    stack.push(son);
+                    alreadyVisited.add(son);
+                }
+            }
+        }
+        PermissionCheckResult result = new PermissionCheckResult();
+        result.askedPermission = targetPermission;
+        result.resultType = PermissionCheckResult.Type.NOTFOUND;
+        return result;
+    }
+
+    /**
+     * It uses checkGroupPermissionWithInheritance
+     * and cast the owner to Group type if result type was EXCEPTION or FOUND.
+     *
+     * @param start
+     * @param permission
+     * @param alreadyChecked
+     * @return the group that passed on test. null if no group passed.
+     * @deprecated use checkGroupPermissionWithInheritance for everything now.
+     */
+    @Deprecated
+    public Group nextGroupWithPermission(Group start, String permission, List<Group> alreadyChecked) {
+        PermissionCheckResult result = checkGroupPermissionWithInheritance(start, permission);
+        if (result.resultType.equals(result.resultType.EXCEPTION)
+                || result.resultType.equals(result.resultType.FOUND)) {
+            return (Group) checkGroupPermissionWithInheritance(start, permission).owner;
+        }
+        return null;
+    }
+
+    /**
+     * Return whole list of names of groups in a inheritance chain. Including a
+     * starting group.
+     *
+     * it now redirects to the other method. but get away from this one,
+     * it will disappear in a future release.
+     *
+     * @param start
+     * @param alreadyChecked
+     * @return the group that passed on test. null if no group passed.
+     * @deprecated  use the other method with same name, instead
+     */
+    @Deprecated
+    public ArrayList<String> listAllGroupsInherited(Group start, ArrayList<String> alreadyChecked) {
+        return listAllGroupsInherited(start);
+    }
+
+    /**
+     * Return whole list of names of groups in a inheritance chain. Including a
+     * starting group.
+     *
+     * It does Breadth-first search. So closer groups will appear first in list.
+     *
+     * @param start
+     * @return the group that passed on test. null if no group passed.
+     */
+    public ArrayList<String> listAllGroupsInherited(Group start) {
+        if (start == null) {
+            return null;
+        }
+        LinkedList<Group> stack = new LinkedList<Group>();
+        ArrayList<String> alreadyVisited = new ArrayList<String>();
+        stack.push(start);
+        alreadyVisited.add(start.getName());
+        while (!stack.isEmpty()) {
+            Group now = stack.pop();
+            for (String sonName : now.getInherits()) {
+                Group son = ph.getGroup(sonName);
+                if (son != null && !alreadyVisited.contains(son.getName())) {
+                    stack.push(son);
+                    alreadyVisited.add(son.getName());
+                }
+            }
+        }
+        return alreadyVisited;
+    }
+
+    /**
+     * Compare a user permission like 'myplugin.*' against a full plugin
+     * permission name, like 'myplugin.dosomething'.
+     * As the example above, will return true.
+     *
+     * Please sort permissions before sending them here. So negative tokens
+     * get priority.
+     *
+     * You must test if it start with negative outside this method. It will
+     * only tell if the nodes are matching or not.
+     *
+     * Every '-' or '+' in the beginning is ignored. It will match only
+     * node names.
+     *
+     * @param userAcessLevel
+     * @param fullPermissionName
+     * @return true if found a matching token. false if not.
+     */
+    public boolean comparePermissionString(String userAcessLevel, String fullPermissionName) {
+        if (userAcessLevel == null || fullPermissionName == null) {
+            return false;
+        }
+        GroupManager.logger.finest("COMPARING " + userAcessLevel + " WITH " + fullPermissionName);
+
+        if (userAcessLevel.startsWith("+")) {
+            userAcessLevel = userAcessLevel.substring(1);
+        } else if (userAcessLevel.startsWith("-")) {
+            userAcessLevel = userAcessLevel.substring(1);
+        }
+
+        if (fullPermissionName.startsWith("+")) {
+            fullPermissionName = fullPermissionName.substring(1);
+        } else if (fullPermissionName.startsWith("-")) {
+            fullPermissionName = fullPermissionName.substring(1);
+        }
+
+
+        StringTokenizer levelATokenizer = new StringTokenizer(userAcessLevel, ".");
+        StringTokenizer levelBTokenizer = new StringTokenizer(fullPermissionName, ".");
+        while (levelATokenizer.hasMoreTokens() && levelBTokenizer.hasMoreTokens()) {
+            String levelA = levelATokenizer.nextToken();
+            String levelB = levelBTokenizer.nextToken();
+            GroupManager.logger.finest("ROUND " + levelA + " AGAINST " + levelB);
+            if (levelA.contains("*")) {
+                GroupManager.logger.finest("WIN");
+                return true;
+            }
+            if (levelA.equalsIgnoreCase(levelB)) {
+                if (!levelATokenizer.hasMoreTokens() && !levelBTokenizer.hasMoreTokens()) {
+                    GroupManager.logger.finest("WIN");
+                    return true;
+                }
+                GroupManager.logger.finest("NEXT");
+                continue;
+            } else {
+                GroupManager.logger.finest("FAIL");
+                return false;
+            }
+
+        }
+        GroupManager.logger.finest("FAIL");
+        return false;
+    }
+
+    /**
+     * Returns a list of all groups.
+     *
+     * Including subgroups.
+     * @param userName
+     * @return
+     */
+    public String[] getGroups(String userName) {
+        ArrayList<String> allGroups = listAllGroupsInherited(ph.getUser(userName).getGroup());
+        for(Group subg: ph.getUser(userName).subGroupListCopy()){
+            allGroups.addAll(listAllGroupsInherited(subg));
+        }
+        String[] arr = new String[allGroups.size()];
+        return allGroups.toArray(arr);
+    }
+
+    /**
+     * A Breadth-first search thru inheritance model.
+     *
+     * Just a model to copy and paste.
+     * This will guarantee the closer groups will be checked first.
+     * @param start
+     * @param targerPermission
+     * @return
+     */
+    private Group breadthFirstSearch(Group start, String targerPermission) {
+        if (start == null || targerPermission == null) {
+            return null;
+        }
+        LinkedList<Group> stack = new LinkedList<Group>();
+        ArrayList<Group> alreadyVisited = new ArrayList<Group>();
+        stack.push(start);
+        alreadyVisited.add(start);
+        while (!stack.isEmpty()) {
+            Group now = stack.pop();
+            PermissionCheckResult resultNow = checkGroupOnlyPermission(now, targerPermission);
+            if (resultNow.resultType.equals(PermissionCheckResult.Type.EXCEPTION)
+                    || resultNow.resultType.equals(PermissionCheckResult.Type.FOUND)) {
+                return now;
+            }
+            if (resultNow.resultType.equals(PermissionCheckResult.Type.NEGATION)) {
+                return null;
+            }
+            for (String sonName : now.getInherits()) {
+                Group son = ph.getGroup(sonName);
+                if (son != null && !alreadyVisited.contains(son)) {
+                    stack.push(son);
+                    alreadyVisited.add(son);
+                }
+            }
+        }
+        return null;
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/permissions/PermissionsReaderInterface.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/permissions/PermissionsReaderInterface.java
new file mode 100644
index 000000000..90194cddd
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/permissions/PermissionsReaderInterface.java
@@ -0,0 +1,163 @@
+package org.anjocaido.groupmanager.permissions;
+
+import org.bukkit.entity.Player;
+
+/**
+ *  Made by Nijikokun. Changed by Gabriel Couto
+ * 
+ * This class is intended to *read* permissions from a single world.
+ *
+ * @author Nijikokun
+ * @author Gabriel Couto
+ */
+public abstract class PermissionsReaderInterface {
+
+
+    /**
+     *
+     * @param player
+     * @param string
+     * @return
+     */
+    public abstract boolean has(Player player, String string);
+
+    /**
+     *
+     * @param player
+     * @param string
+     * @return
+     */
+    public abstract boolean permission(Player player, String string);
+
+    /**
+     *
+     * @param string
+     * @return
+     */
+    public abstract String getGroup(String string);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract boolean inGroup(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @return
+     */
+    public abstract String getGroupPrefix(String string);
+
+    /**
+     *
+     * @param string
+     * @return
+     */
+    public abstract String getGroupSuffix(String string);
+
+    /**
+     *
+     * @param string
+     * @return
+     */
+    public abstract boolean canGroupBuild(String string);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract String getGroupPermissionString(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract int getGroupPermissionInteger(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract boolean getGroupPermissionBoolean(String string, String string1);
+
+    /**
+     * 
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract double getGroupPermissionDouble(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract String getUserPermissionString(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract int getUserPermissionInteger(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract boolean getUserPermissionBoolean(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract double getUserPermissionDouble(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract String getPermissionString(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract int getPermissionInteger(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract boolean getPermissionBoolean(String string, String string1);
+
+    /**
+     *
+     * @param string
+     * @param string1
+     * @return
+     */
+    public abstract double getPermissionDouble(String string, String string1);
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/GMLoggerHandler.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/GMLoggerHandler.java
new file mode 100644
index 000000000..87b6806ab
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/GMLoggerHandler.java
@@ -0,0 +1,26 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.utils;
+
+import java.util.logging.ConsoleHandler;
+import java.util.logging.Level;
+import java.util.logging.LogRecord;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class GMLoggerHandler extends ConsoleHandler {
+
+    @Override
+    public void publish(LogRecord record) {
+        String message = "GroupManager - " + record.getLevel() + " - " + record.getMessage();
+        if (record.getLevel().equals(Level.SEVERE) || record.getLevel().equals(Level.WARNING)) {
+            System.err.println(message);
+        } else {
+            System.out.println(message);
+        }
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/GroupManagerPermissions.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/GroupManagerPermissions.java
new file mode 100644
index 000000000..781f2753c
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/GroupManagerPermissions.java
@@ -0,0 +1,51 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.utils;
+
+/**
+ * Just a list of commands for this plugin
+ * @author gabrielcouto
+ */
+public enum GroupManagerPermissions {
+    manuadd,
+    manudel,
+    manuaddsub,
+    manudelsub,
+    mangadd,
+    mangdel,
+    manuaddp,
+    manudelp,
+    manulistp,
+    manucheckp,
+    mangaddp,
+    mangdelp,
+    manglistp,
+    mangcheckp,
+    mangaddi,
+    mangdeli,
+    manuaddv,
+    manudelv,
+    manulistv,
+    manucheckv,
+    mangaddv,
+    mangdelv,
+    manglistv,
+    mangcheckv,
+    manwhois,
+    tempadd,
+    tempdel,
+    templist,
+    tempdelall,
+    mansave,
+    manload,
+    listgroups,
+    manpromote,
+    mandemote,
+    mantogglevalidate,
+    mantogglesave,
+    manworld,
+    manselect,
+    manclear
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/PermissionCheckResult.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/PermissionCheckResult.java
new file mode 100644
index 000000000..3ee6fdf30
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/PermissionCheckResult.java
@@ -0,0 +1,66 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.utils;
+
+import org.anjocaido.groupmanager.data.DataUnit;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class PermissionCheckResult {
+    /**
+     * It should be the owner of the access level found.
+     *
+     * Use instanceof to find the owner type
+     */
+    public DataUnit owner;
+    /**
+     * The permission node found in the DataUnit.
+     */
+    public String accessLevel;
+    /**
+     * The full name of the permission you are looking for
+     */
+    public String askedPermission;
+    /**
+     * The result conclusion of the search.
+     * It determines if the owner can do, or not.
+     *
+     * It even determines if it has an owner.
+     */
+    public Type resultType = Type.NOTFOUND;
+
+    /**
+     * The type of result the search can give.
+     */
+    public enum Type {
+
+        /**
+         * If found a matching node starting with '+'.
+         * It means the user CAN do the permission.
+         */
+        EXCEPTION,
+        /**
+         * If found a matching node starting with '-'.
+         * It means the user CANNOT do the permission.
+         */
+        NEGATION,
+        /**
+         * If just found a common matching node.
+         * IT means the user CAN do the permission.
+         */
+        FOUND,
+        /**
+         * If no matchin node was found.
+         * It means the user CANNOT do the permission.
+         *
+         * owner field and accessLevel field should not be considered,
+         * when type is
+         * NOTFOUND
+         */
+        NOTFOUND
+    }
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/StringPermissionComparator.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/StringPermissionComparator.java
new file mode 100644
index 000000000..2e192118d
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/StringPermissionComparator.java
@@ -0,0 +1,50 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package org.anjocaido.groupmanager.utils;
+
+import java.util.Comparator;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public class StringPermissionComparator implements Comparator<String> {
+
+    @Override
+    public int compare(String permA, String permB) {
+        boolean ap = permA.startsWith("+");
+        boolean bp = permB.startsWith("+");
+        boolean am = permA.startsWith("-");
+        boolean bm = permB.startsWith("-");
+        if(ap&&bp){
+            return 0;
+        }
+        if(ap&&!bp){
+            return -1;
+        }
+        if(!ap&&bp){
+            return 1;
+        }
+        if(am&&bm){
+            return 0;
+        }
+        if(am&&!bm){
+            return -1;
+        }
+        if(!am&&bm){
+            return 1;
+        }
+        return permA.compareToIgnoreCase(permB);
+    }
+    private static StringPermissionComparator instance;
+    public static StringPermissionComparator getInstance(){
+        if(instance==null){
+            instance = new StringPermissionComparator();
+        }
+        return instance;
+    }
+
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/Tasks.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/Tasks.java
new file mode 100644
index 000000000..64bdb6209
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/Tasks.java
@@ -0,0 +1,111 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.utils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.GregorianCalendar;
+import java.util.List;
+import org.anjocaido.groupmanager.data.Group;
+
+/**
+ *
+ * @author gabrielcouto
+ */
+public abstract class Tasks {
+
+    public static void copy(InputStream src, File dst) throws IOException {
+        InputStream in = src;
+        OutputStream out = new FileOutputStream(dst);
+
+        // Transfer bytes from in to out
+        byte[] buf = new byte[1024];
+        int len;
+        while ((len = in.read(buf)) > 0) {
+            out.write(buf, 0, len);
+        }
+        out.close();
+        try {
+            in.close();
+        } catch (Exception e) {
+        }
+    }
+
+    public static void copy(File src, File dst) throws IOException {
+        InputStream in = new FileInputStream(src);
+        copy(in, dst);
+    }
+
+    public static void removeOldFiles(File folder) {
+        if (folder.isDirectory()) {
+            long oldTime = System.currentTimeMillis() - 86400000L;
+            for (File olds : folder.listFiles()) {
+                if (olds.isFile()) {
+                    if (olds.lastModified() < oldTime) {
+                        try {
+                            olds.delete();
+                        } catch (Exception e) {
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    public static String getDateString() {
+        GregorianCalendar now = new GregorianCalendar();
+        String date = "";
+        date += now.get(GregorianCalendar.DAY_OF_MONTH);
+        date += "-";
+        date += now.get(GregorianCalendar.HOUR);
+        date += "-";
+        date += now.get(GregorianCalendar.MINUTE);
+        return date;
+    }
+    public static String getStringListInString(List<String> list){
+        if(list==null){
+            return "";
+        }
+        String result="";
+        for(int i=0;i<list.size();i++){
+            result+=list.get(i);
+            if(i<list.size()-1){
+                result+=", ";
+            }
+        }
+        return result;
+    }
+    public static String getStringArrayInString(String[] list){
+        if(list==null){
+            return "";
+        }
+        String result="";
+        for(int i=0;i<list.length;i++){
+            result+=list[i];
+            if(i<((list.length)-1)){
+                result+=", ";
+            }
+        }
+        return result;
+    }
+    public static String getGroupListInString(List<Group> list){
+        if(list==null){
+            return "";
+        }
+        String result="";
+        for(int i=0;i<list.size();i++){
+            result+=list.get(i).getName();
+            if(i<list.size()-1){
+                result+=", ";
+            }
+        }
+        return result;
+    }
+}