diff --git a/src/main/java/ru/simsonic/rscPermissions/API/Destination.java b/src/main/java/ru/simsonic/rscPermissions/API/Destination.java
index 750e63f..f01f608 100644
--- a/src/main/java/ru/simsonic/rscPermissions/API/Destination.java
+++ b/src/main/java/ru/simsonic/rscPermissions/API/Destination.java
@@ -31,7 +31,7 @@ public class Destination
 		if(this.world == null || this.world.isEmpty() || "*".equals(this.world))
 			return true;
 		final String instantiated = (instantiator != null && !instantiator.isEmpty())
-			? this.world.replace(Settings.instantiator, instantiator)
+			? this.world.replace(Settings.INSTANTIATOR, instantiator)
 			: this.world;
 		return wildcardTest(world, instantiated);
 	}
@@ -40,7 +40,7 @@ public class Destination
 		if(this.region == null || "".equals(this.region) || "*".equals(this.region))
 			return true;
 		final String instantiated = (instantiator != null && !"".equals(instantiator))
-			? this.region.replace(Settings.instantiator, instantiator)
+			? this.region.replace(Settings.INSTANTIATOR, instantiator)
 			: this.region;
 		for(String regionId : regions)
 			if(wildcardTest(regionId, instantiated))
@@ -52,7 +52,7 @@ public class Destination
 		if(this.region == null || "".equals(this.region) || "*".equals(this.region))
 			return true;
 		final String instantiated = (instantiator != null && !"".equals(instantiator))
-			? this.region.replace(Settings.instantiator, instantiator)
+			? this.region.replace(Settings.INSTANTIATOR, instantiator)
 			: this.region;
 		for(String regionId : regions)
 			if(wildcardTest(regionId, instantiated))
diff --git a/src/main/java/ru/simsonic/rscPermissions/API/RowInheritance.java b/src/main/java/ru/simsonic/rscPermissions/API/RowInheritance.java
index 7b02703..b1eec10 100644
--- a/src/main/java/ru/simsonic/rscPermissions/API/RowInheritance.java
+++ b/src/main/java/ru/simsonic/rscPermissions/API/RowInheritance.java
@@ -23,10 +23,10 @@ public class RowInheritance implements Cloneable, Comparable<RowInheritance>
 	{
 		if(parent != null)
 		{
-			final String[] splitted = parent.split(Settings.separatorRegExp);
+			final String[] splitted = parent.split(Settings.SEPARATOR_REGEXP);
 			if(splitted.length > 1)
 			{
-				parent = GenericChatCodes.glue(Arrays.copyOf(splitted, splitted.length - 1), Settings.separator);
+				parent = GenericChatCodes.glue(Arrays.copyOf(splitted, splitted.length - 1), Settings.SEPARATOR);
 				instance = splitted[splitted.length - 1];
 				return;
 			}
diff --git a/src/main/java/ru/simsonic/rscPermissions/API/Settings.java b/src/main/java/ru/simsonic/rscPermissions/API/Settings.java
index 0ba44ed..ed9e5c0 100644
--- a/src/main/java/ru/simsonic/rscPermissions/API/Settings.java
+++ b/src/main/java/ru/simsonic/rscPermissions/API/Settings.java
@@ -5,13 +5,13 @@ import ru.simsonic.rscCommonsLibrary.ConnectionMySQL.ConnectionParams;
 
 public interface Settings
 {
-	public static final String  updaterURL      = "http://simsonic.github.io/rscPermissions/latest.json";
-	public static final String  chatPrefix      = "{GOLD}[rscp] {_LS}";
-	public static final String  separator       = ".";
-	public static final String  separatorRegExp = "\\.";
-	public static final String  instantiator    = "?";
-	public static final String  textInheriter   = "%";
-	public static final char    groupLevelTab   = '┏';
+	public static final String  UPDATER_URL      = "http://simsonic.github.io/rscPermissions/latest.json";
+	public static final String  CHAT_PREFIX      = "{GOLD}[rscp] {_LS}";
+	public static final String  SEPARATOR        = ".";
+	public static final String  SEPARATOR_REGEXP = "\\.";
+	public static final String  INSTANTIATOR     = "?";
+	public static final String  TEXT_INHERITER   = "%";
+	public static final char    GROUP_LEVEL_TAB  = '┏';
 	public void    onLoad();
 	public void    onEnable();
 	public String  getDefaultGroup();
diff --git a/src/main/java/ru/simsonic/rscPermissions/BridgeForBukkitAPI.java b/src/main/java/ru/simsonic/rscPermissions/BridgeForBukkitAPI.java
index 6ed29c4..c29beb9 100644
--- a/src/main/java/ru/simsonic/rscPermissions/BridgeForBukkitAPI.java
+++ b/src/main/java/ru/simsonic/rscPermissions/BridgeForBukkitAPI.java
@@ -86,7 +86,7 @@ public class BridgeForBukkitAPI
 	{
 		if(rscp.permissionManager.isConsoleDebugging())
 		{
-			final StringBuilder sb = new StringBuilder(Settings.chatPrefix).append("[DEBUG] {_LS}").append(info);
+			final StringBuilder sb = new StringBuilder(Settings.CHAT_PREFIX).append("[DEBUG] {_LS}").append(info);
 			rscp.getServer().getConsoleSender().sendMessage(GenericChatCodes.processStringStatic(sb.toString()));
 		}
 	}
@@ -94,7 +94,7 @@ public class BridgeForBukkitAPI
 	{
 		if(rscp.permissionManager.isConsoleDebugging())
 		{
-			final StringBuilder sb = new StringBuilder(Settings.chatPrefix);
+			final StringBuilder sb = new StringBuilder(Settings.CHAT_PREFIX);
 			sb.append("[DEBUG] An API method was invoked from the path:").append(System.lineSeparator());
 			for(StackTraceElement ste : Thread.currentThread().getStackTrace())
 			{
@@ -102,7 +102,7 @@ public class BridgeForBukkitAPI
 				if(!className.equals(BridgeForBukkitAPI.class.getName())
 					&& !className.equals(Thread.class.getName())
 					)
-					sb.append(Settings.chatPrefix).append("[DEBUG] ")
+					sb.append(Settings.CHAT_PREFIX).append("[DEBUG] ")
 						.append(className.startsWith(BukkitPluginMain.class.getPackage().getName()) ? "{_LG}" : "{_LS}")
 						.append(ste.toString())
 						.append(System.lineSeparator());
diff --git a/src/main/java/ru/simsonic/rscPermissions/Bukkit/BukkitDatabaseFetcher.java b/src/main/java/ru/simsonic/rscPermissions/Bukkit/BukkitDatabaseFetcher.java
index af7308a..4d9a696 100644
--- a/src/main/java/ru/simsonic/rscPermissions/Bukkit/BukkitDatabaseFetcher.java
+++ b/src/main/java/ru/simsonic/rscPermissions/Bukkit/BukkitDatabaseFetcher.java
@@ -39,7 +39,7 @@ public class BukkitDatabaseFetcher extends RestartableThread
 				public synchronized void run()
 				{
 					rscp.getServer().getConsoleSender().sendMessage(GenericChatCodes.processStringStatic(
-						(Settings.chatPrefix + Phrases.FETCHED_REMOTE_DB.toString())
+						(Settings.CHAT_PREFIX + Phrases.FETCHED_REMOTE_DB.toString())
 						.replace("{:E}", String.valueOf(contents.entities.length))
 						.replace("{:P}", String.valueOf(contents.permissions.length))
 						.replace("{:I}", String.valueOf(contents.inheritance.length))));
@@ -65,7 +65,7 @@ public class BukkitDatabaseFetcher extends RestartableThread
 					public void run()
 					{
 						for(CommandSender debugger : debuggers)
-							debugger.sendMessage(GenericChatCodes.processStringStatic(Settings.chatPrefix
+							debugger.sendMessage(GenericChatCodes.processStringStatic(Settings.CHAT_PREFIX
 								+ "Database has been fetched in " + queryTime + " milliseconds."));
 					}
 				});
diff --git a/src/main/java/ru/simsonic/rscPermissions/Bukkit/BukkitPermissionManager.java b/src/main/java/ru/simsonic/rscPermissions/Bukkit/BukkitPermissionManager.java
index ebf1d81..174cdc3 100644
--- a/src/main/java/ru/simsonic/rscPermissions/Bukkit/BukkitPermissionManager.java
+++ b/src/main/java/ru/simsonic/rscPermissions/Bukkit/BukkitPermissionManager.java
@@ -121,7 +121,7 @@ public class BukkitPermissionManager extends RestartableThread
 							player.setOp((asterisk != null) ? asterisk : false);
 						// Show debugging information
 						if(isDebugging(player))
-							player.sendMessage(GenericChatCodes.processStringStatic(Settings.chatPrefix
+							player.sendMessage(GenericChatCodes.processStringStatic(Settings.CHAT_PREFIX
 								+ "[DEBUG] Inheritances list: {_LG}" + Arrays.toString(result.getDeorderedGroups())
 								+ "{_LS}; you have total {_LG}" + attachment.getPermissions().size()
 								+ "{_LS} permissions."));
diff --git a/src/main/java/ru/simsonic/rscPermissions/Bukkit/Commands/BukkitCommands.java b/src/main/java/ru/simsonic/rscPermissions/Bukkit/Commands/BukkitCommands.java
index 9cde41c..ce288d7 100644
--- a/src/main/java/ru/simsonic/rscPermissions/Bukkit/Commands/BukkitCommands.java
+++ b/src/main/java/ru/simsonic/rscPermissions/Bukkit/Commands/BukkitCommands.java
@@ -16,6 +16,7 @@ public class BukkitCommands
 {
 	private final BukkitPluginMain rscp;
 	private final CommandUser   cmdUser;
+	private final CommandGroup  cmdGroup;
 	private final CommandLock   cmdLock;
 	private final CommandFetch  cmdFetch;
 	private final CommandDebug  cmdDebug;
@@ -26,6 +27,7 @@ public class BukkitCommands
 	{
 		this.rscp = plugin;
 		cmdUser   = new CommandUser(rscp);
+		cmdGroup  = new CommandGroup(rscp);
 		cmdLock   = new CommandLock(rscp);
 		cmdFetch  = new CommandFetch(rscp);
 		cmdDebug  = new CommandDebug(rscp);
@@ -50,9 +52,9 @@ public class BukkitCommands
 						@Override
 						public void run()
 						{
-							sender.sendMessage(GenericChatCodes.processStringStatic(Settings.chatPrefix
+							sender.sendMessage(GenericChatCodes.processStringStatic(Settings.CHAT_PREFIX
 								+ "Migration from PermissionsEx (MySQL backend) done!"));
-							sender.sendMessage(GenericChatCodes.processStringStatic(Settings.chatPrefix
+							sender.sendMessage(GenericChatCodes.processStringStatic(Settings.CHAT_PREFIX
 								+ "Check the latest database row for new data."));
 						}
 					});
@@ -123,6 +125,9 @@ public class BukkitCommands
 			case "user":
 				cmdUser.onUserCommandHub(sender, args);
 				return;
+			case "group":
+				cmdGroup.onGroupCommandHub(sender, args);
+				return;
 			case "lock":
 				cmdLock.executeLock(sender, args);
 				return;
diff --git a/src/main/java/ru/simsonic/rscPermissions/Bukkit/Commands/CommandGroup.java b/src/main/java/ru/simsonic/rscPermissions/Bukkit/Commands/CommandGroup.java
new file mode 100644
index 0000000..3225694
--- /dev/null
+++ b/src/main/java/ru/simsonic/rscPermissions/Bukkit/Commands/CommandGroup.java
@@ -0,0 +1,124 @@
+package ru.simsonic.rscPermissions.Bukkit.Commands;
+
+import java.util.ArrayList;
+import org.bukkit.command.CommandSender;
+import ru.simsonic.rscMinecraftLibrary.Bukkit.CommandAnswerException;
+import ru.simsonic.rscPermissions.BukkitPluginMain;
+import ru.simsonic.rscPermissions.Engine.Backends.DatabaseTransaction;
+import ru.simsonic.rscPermissions.Engine.ResolutionResult;
+
+public class CommandGroup
+{
+	private final BukkitPluginMain rscp;
+	CommandGroup(BukkitPluginMain plugin)
+	{
+		this.rscp = plugin;
+	}
+	public void onGroupCommandHub(CommandSender sender, String[] args) throws CommandAnswerException
+	{
+		/*
+			/rscp    - command
+			group    - 0
+		   <entity> - 1
+		*/
+		if(sender.hasPermission("rscp.admin"))
+		{
+			/*
+			if(args.length < 3)
+				return;
+			final Player player = BukkitUtilities.findOnlinePlayer(args[1]);
+			if(player != null)
+				args[1] = player.getName();
+			final ResolutionResult result = (player != null)
+				? rscp.permissionManager.getResult(player)
+				: rscp.permissionManager.getResult(args[1]);
+			switch(args[2].toLowerCase())
+			{
+				case "prefix":
+				case "p":
+					viewPrefix(result, args[1]);
+					break;
+				case "suffix":
+				case "s":
+					viewSuffix(result, args[1]);
+					break;
+				case "listpermissions":
+				case "lp":
+					listPermissions(result, args[1]);
+					break;
+				case "listgroups":
+				case "lg":
+					listGroups(result, args[1]);
+					break;
+				case "addgroup":
+				case "ag":
+					// TO DO HERE
+					addGroup(result, args[1], null, null, null);
+					break;
+				case "removegroup":
+				case "rg":
+					// TO DO HERE
+					removeGroup(result, args[1], null);
+					break;
+				default:
+					break;
+			}
+			*/
+		} else
+			throw new CommandAnswerException("Not enough permissions.");
+	}
+	/*
+	private void viewPrefix(ResolutionResult result, String user) throws CommandAnswerException
+	{
+		if(Matchers.isCorrectDashlessUUID(user))
+			user = Matchers.uuidAddDashes(user);
+		final ArrayList<String> answer = new ArrayList<>();
+		answer.add("Calculated prefix for user {_YL}" + user + "{_LS} is:");
+		answer.add("{_R}\"" + result.prefix + "{_R}\"");
+		throw new CommandAnswerException(answer);
+	}
+	private void viewSuffix(ResolutionResult result, String user) throws CommandAnswerException
+	{
+		if(Matchers.isCorrectDashlessUUID(user))
+			user = Matchers.uuidAddDashes(user);
+		final ArrayList<String> answer = new ArrayList<>();
+		answer.add("Calculated suffix for user {_YL}" + user + "{_LS} is:");
+		answer.add("{_R}\"" + result.suffix + "{_R}\"");
+		throw new CommandAnswerException(answer);
+	}
+	private void listPermissions(ResolutionResult result, String user) throws CommandAnswerException
+	{
+		if(Matchers.isCorrectDashlessUUID(user))
+			user = Matchers.uuidAddDashes(user);
+		final ArrayList<String> answer = new ArrayList<>();
+		answer.add("Permission list for user {_YL}" + user + "{_LS}:");
+		final ArrayList<String> sorted_keys = new ArrayList<>(result.permissions.keySet());
+		Collections.sort(sorted_keys);
+		for(String perm : sorted_keys)
+			answer.add((result.permissions.get(perm) ? "{_LG}" : "{_LR}") + perm);
+		throw new CommandAnswerException(answer);
+	}
+	private void listGroups(ResolutionResult result, String user) throws CommandAnswerException
+	{
+		if(Matchers.isCorrectDashlessUUID(user))
+			user = Matchers.uuidAddDashes(user);
+		final ArrayList<String> answer = new ArrayList<>();
+		answer.add("Group list for user {_YL}" + user + "{_LS}:");
+		for(String group : result.getOrderedGroups())
+			answer.add("{_LG}" + group);
+		throw new CommandAnswerException(answer);
+	}
+	*/
+	private void addGroup(ResolutionResult result, String group, String parent, String destination, Integer seconds) throws CommandAnswerException
+	{
+		final ArrayList<String> answer = new ArrayList<>();
+		final DatabaseTransaction databaseTransaction = new DatabaseTransaction(rscp);
+		databaseTransaction.apply();
+		throw new CommandAnswerException(answer);
+	}
+	private void removeGroup(ResolutionResult result, String group, String parent) throws CommandAnswerException
+	{
+		final ArrayList<String> answer = new ArrayList<>();
+		throw new CommandAnswerException(answer);
+	}
+}
diff --git a/src/main/java/ru/simsonic/rscPermissions/BukkitPluginMain.java b/src/main/java/ru/simsonic/rscPermissions/BukkitPluginMain.java
index 8edb68e..dd22833 100644
--- a/src/main/java/ru/simsonic/rscPermissions/BukkitPluginMain.java
+++ b/src/main/java/ru/simsonic/rscPermissions/BukkitPluginMain.java
@@ -31,7 +31,7 @@ public final class BukkitPluginMain extends JavaPlugin
 {
 	public  static final Logger consoleLog = Bukkit.getLogger();
 	public  final Settings      settings   = new BukkitPluginConfiguration(this);
-	public  final BukkitUpdater updating   = new BukkitUpdater(this, Settings.updaterURL, Settings.chatPrefix);
+	public  final BukkitUpdater updating   = new BukkitUpdater(this, Settings.UPDATER_URL, Settings.CHAT_PREFIX);
 	public  final BackendJson     localStorage  = new BackendJson(getDataFolder());
 	public  final BackendDatabase connection    = new BackendDatabase(consoleLog);
 	public  final InternalCache   internalCache = new InternalCache();
@@ -67,7 +67,7 @@ public final class BukkitPluginMain extends JavaPlugin
 		contents.filterServerId(getServer().getServerId()).filterLifetime();
 		internalCache.fill(contents);
 		getServer().getConsoleSender().sendMessage(GenericChatCodes.processStringStatic(
-			(Settings.chatPrefix + Phrases.FETCHED_LOCAL_CACHE.toString())
+			(Settings.CHAT_PREFIX + Phrases.FETCHED_LOCAL_CACHE.toString())
 			.replace("{:E}", String.valueOf(contents.entities.length))
 			.replace("{:P}", String.valueOf(contents.permissions.length))
 			.replace("{:I}", String.valueOf(contents.inheritance.length))));
@@ -153,7 +153,7 @@ public final class BukkitPluginMain extends JavaPlugin
 				}
 			} catch(CommandAnswerException ex) {
 				for(String answer : ex.getMessageArray())
-					sender.sendMessage(GenericChatCodes.processStringStatic(Settings.chatPrefix + answer));
+					sender.sendMessage(GenericChatCodes.processStringStatic(Settings.CHAT_PREFIX + answer));
 			}
 		return true;
 	}
diff --git a/src/main/java/ru/simsonic/rscPermissions/Engine/Backends/BackendDatabase.java b/src/main/java/ru/simsonic/rscPermissions/Engine/Backends/BackendDatabase.java
index d92ec2c..5ae66d7 100644
--- a/src/main/java/ru/simsonic/rscPermissions/Engine/Backends/BackendDatabase.java
+++ b/src/main/java/ru/simsonic/rscPermissions/Engine/Backends/BackendDatabase.java
@@ -3,6 +3,8 @@ package ru.simsonic.rscPermissions.Engine.Backends;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import ru.simsonic.rscCommonsLibrary.ConnectionMySQL;
@@ -163,4 +165,101 @@ public class BackendDatabase extends ConnectionMySQL
 		setupQueryTemplate("{ID}", Long.toString(id));
 		executeUpdateT("DELETE FROM `{DATABASE}`.`{PREFIX}inheritance` WHERE `id` = '{ID}';");
 	}
+	public synchronized void insertEntity(
+		Long id,
+		String entity, EntityType type,
+		String prefix, String     suffix, Integer lifetime)
+	{
+		setupQueryTemplate("{TABLE}", "entities");
+		final Map<String, String> fields = new HashMap<>();
+		// Required fields
+		fields.put("entity",      quoteValue(entity));
+		fields.put("entity_type", type.equals(EntityType.PLAYER) ? "b'1'" : "b'0'");
+		// Optional fields
+		if(id          != null)
+			fields.put("id",       Long.toString(id));
+		if(prefix      != null)
+			fields.put("prefix",   quoteValue(prefix));
+		if(suffix      != null)
+			fields.put("suffix",   quoteValue(suffix));
+		if(lifetime    != null)
+			fields.put("lifetime", lifetimeToValue(lifetime));
+		insertRow(fields);
+	}
+	public synchronized void insertPermissions(
+		Long   id,
+		String entity,      EntityType type,
+		String permission,  boolean    value,
+		String destination, Integer    expirience, Integer lifetime)
+	{
+		setupQueryTemplate("{TABLE}", "permissions");
+		final Map<String, String> fields = new HashMap<>();
+		// Required fields
+		fields.put("entity",      quoteValue(entity));
+		fields.put("entity_type", type.equals(EntityType.PLAYER) ? "b'1'" : "b'0'");
+		fields.put("permission",  quoteValue(permission));
+		fields.put("value",       value ? "b'1'" : "b'0'");
+		// Optional fields
+		if(id          != null)
+			fields.put("id",          Long.toString(id));
+		if(destination != null)
+			fields.put("destination", quoteValue(destination));
+		if(expirience  != null)
+			fields.put("expirience",  Integer.toString(expirience));
+		if(lifetime    != null)
+			fields.put("lifetime",    lifetimeToValue(lifetime));
+		insertRow(fields);
+	}
+	public synchronized void insertInheritance(
+		Long   id,
+		String entity,      String  parent,     EntityType type,     Integer priority,
+		String destination, Integer expirience, Integer    lifetime)
+	{
+		setupQueryTemplate("{TABLE}", "inheritance");
+		final Map<String, String> fields = new HashMap<>();
+		// Required fields
+		fields.put("entity",           quoteValue(entity));
+		fields.put("parent",           quoteValue(parent));
+		fields.put("inheritance_type", type.equals(EntityType.PLAYER) ? "b'1'" : "b'0'");
+		// Optional fields
+		if(id          != null)
+			fields.put("id",                   Long.toString(id));
+		if(priority    != null)
+			fields.put("inheritance_priority", Integer.toString(priority));
+		if(destination != null)
+			fields.put("destination",          quoteValue(destination));
+		if(expirience  != null)
+			fields.put("expirience",           Integer.toString(expirience));
+		if(lifetime    != null)
+			fields.put("lifetime",             lifetimeToValue(lifetime));
+		insertRow(fields);
+	}
+	private String quoteValue(String value)
+	{
+		return new StringBuilder("'").append(value).append("'").toString();
+	}
+	private String lifetimeToValue(int lifetime)
+	{
+		if(lifetime < 0)
+			return "NULL";
+		return new StringBuilder("NOW() + INTERVAL ").append(lifetime).append(" SECOND").toString();
+	}
+	private void insertRow(Map<String, String> fields)
+	{
+		if(fields.isEmpty())
+			return;
+		final StringBuilder sbf = new StringBuilder();
+		final StringBuilder sbv = new StringBuilder();
+		final String        sep = ", ";
+		for(Map.Entry<String, String> entry : fields.entrySet())
+		{
+			sbf.append("`").append(entry.getKey()).append("`").append(sep);
+			sbv.append(entry.getValue()).append(sep);
+		}
+		sbf.setLength(sbf.length() - sep.length());
+		sbv.setLength(sbv.length() - sep.length());
+		setupQueryTemplate("{FIELDS}", sbf.toString());
+		setupQueryTemplate("{VALUES}", sbv.toString());
+		executeUpdateT("INSERT INTO `{DATABASE}`.`{PREFIX}{TABLE}` ({FIELDS}) VALUES ({VALUES});");
+	}
 }
diff --git a/src/main/java/ru/simsonic/rscPermissions/Engine/CommandUtilities.java b/src/main/java/ru/simsonic/rscPermissions/Engine/CommandUtilities.java
index fa13fd8..d9bdc80 100644
--- a/src/main/java/ru/simsonic/rscPermissions/Engine/CommandUtilities.java
+++ b/src/main/java/ru/simsonic/rscPermissions/Engine/CommandUtilities.java
@@ -1,7 +1,68 @@
 package ru.simsonic.rscPermissions.Engine;
 
+import ru.simsonic.rscCommonsLibrary.TimeIntervalParser;
+import ru.simsonic.rscMinecraftLibrary.Bukkit.CommandAnswerException;
+import ru.simsonic.rscPermissions.API.Destination;
+
 public class CommandUtilities
 {
+	public static class CommandParams
+	{
+		public Integer     expirience;
+		public Destination destination;
+		public Integer     lifetime;
+	}
+	public static CommandParams parseCommandParams(String[] args) throws CommandAnswerException
+	{
+		// /rscp <target> <action> <object> [params]
+		final CommandParams result = new CommandParams();
+		for(int index = 0; index < args.length && args[index] != null; index += 1)
+		{
+			final boolean isLastArg = (index != args.length - 1);
+			if(args[index] == null)
+				break;
+			switch(args[index].toLowerCase())
+			{
+				case "":
+					break;
+				case "e":
+				case "exp":
+				case "expirience":
+					if(isLastArg)
+						throw new CommandAnswerException("RequiresOneMoreArg");
+					try
+					{
+						result.expirience = Integer.parseInt(args[index + 1]);
+					} catch(NumberFormatException ex) {
+						throw new CommandAnswerException("NumberFormatException: " + args[index + 1]);
+					} catch(NullPointerException ex) {
+						throw new CommandAnswerException("NullPointerException: args #" + (index + 1));
+					}
+					index += 1;
+					break;
+				case "d":
+				case "dest":
+				case "destination":
+					if(isLastArg)
+						throw new CommandAnswerException("RequiresOneMoreArg");
+					if(args[index + 1] == null || "".equals(args[index + 1]))
+						throw new CommandAnswerException("NotEnoughArguments: args #" + (index + 1));
+					result.destination = Destination.parseDestination(args[index + 1]);
+					break;
+				case "l":
+				case "lifetime":
+					if(isLastArg)
+						throw new CommandAnswerException("RequiresOneMoreArg");
+					result.lifetime = TimeIntervalParser.parseTimeInterval(args[index + 1]);
+					if(result.lifetime < 0)
+						result.lifetime = Integer.MAX_VALUE;
+					break;
+				default:
+					throw new CommandAnswerException("UnknownCommandParam: " + args[index]);
+			}
+		}
+		return result;
+	}
 	public static boolean argumentToBoolean(String arg, Boolean prevForToggle) throws IllegalArgumentException
 	{
 		if(arg == null || "".equals(arg))
diff --git a/src/main/java/ru/simsonic/rscPermissions/Engine/InternalCache.java b/src/main/java/ru/simsonic/rscPermissions/Engine/InternalCache.java
index c714949..c4b3af4 100644
--- a/src/main/java/ru/simsonic/rscPermissions/Engine/InternalCache.java
+++ b/src/main/java/ru/simsonic/rscPermissions/Engine/InternalCache.java
@@ -23,8 +23,8 @@ public class InternalCache
 	private final HashMap<String, RowEntity> entities_g = new HashMap<>();
 	private final HashMap<String, RowEntity> entities_u = new HashMap<>();
 	private final RowInheritance defaultInheritance     = new RowInheritance();
-	private boolean alwaysInheritDefaultGroup           = false;
-	private boolean groupsInheritParentPrefixes         = true;
+	private boolean   alwaysInheritDefaultGroup         = false;
+	private boolean   groupsInheritParentPrefixes       = true;
 	private RowEntity implicit_g;
 	private RowEntity implicit_u;
 	public void setDefaultGroup(String defaultGroup, boolean alwaysInheritDefaultGroup, boolean groupsInheritParentPrefixes)
@@ -243,7 +243,7 @@ public class InternalCache
 			}
 		params.depth -= 1;
 		params.groupList.add(depthPrefix(params.depth) + currentParent.entity
-			+ ("".equals(instantiator) ? "" : Settings.separator + instantiator));
+			+ ("".equals(instantiator) ? "" : Settings.SEPARATOR + instantiator));
 		// Prefixes and suffixes
 		params.parentEntity = currentParent;
 		params.instantiator = instantiator;
@@ -259,7 +259,7 @@ public class InternalCache
 		if(depth > 0)
 		{
 			final char[] levelParent = new char[depth];
-			levelParent[depth - 1] = Settings.groupLevelTab;
+			levelParent[depth - 1] = Settings.GROUP_LEVEL_TAB;
 			return new String(levelParent).replace('\0', ' ');
 		}
 		return "";
@@ -271,9 +271,9 @@ public class InternalCache
 		result.prefix = params.parentEntity.prefix;
 		result.suffix = params.parentEntity.suffix;
 		if(result.prefix == null || "".equals(result.prefix))
-			result.prefix = (gipp ? Settings.textInheriter : "");
+			result.prefix = (gipp ? Settings.TEXT_INHERITER : "");
 		if(result.suffix == null || "".equals(result.suffix))
-			result.suffix = (gipp ? Settings.textInheriter : "");
+			result.suffix = (gipp ? Settings.TEXT_INHERITER : "");
 		final StringBuilder sbp = new StringBuilder();
 		final StringBuilder sbs = new StringBuilder();
 		for(ResolutionResult inherited : intermediate)
@@ -283,10 +283,10 @@ public class InternalCache
 			if(inherited.suffix != null)
 				sbs.append(inherited.suffix);
 		}
-		result.prefix = result.prefix.replace(Settings.textInheriter, sbp.toString());
-		result.suffix = result.suffix.replace(Settings.textInheriter, sbs.toString());
-		result.prefix = result.prefix.replace(Settings.instantiator, params.instantiator);
-		result.suffix = result.suffix.replace(Settings.instantiator, params.instantiator);
+		result.prefix = result.prefix.replace(Settings.TEXT_INHERITER, sbp.toString());
+		result.suffix = result.suffix.replace(Settings.TEXT_INHERITER, sbs.toString());
+		result.prefix = result.prefix.replace(Settings.INSTANTIATOR, params.instantiator);
+		result.suffix = result.suffix.replace(Settings.INSTANTIATOR, params.instantiator);
 		return result;
 	}
 	private void processPermissions(ResolutionParams params, List<RowPermission> permissions)
@@ -294,7 +294,7 @@ public class InternalCache
 		for(RowPermission row : permissions)
 			if(isPermissionApplicable(params, row))
 				params.finalPerms.put(
-					row.permission.replace(Settings.instantiator, params.instantiator),
+					row.permission.replace(Settings.INSTANTIATOR, params.instantiator),
 					row.value);
 	}
 	private boolean isPermissionApplicable(ResolutionParams params, RowPermission row)
diff --git a/src/main/java/ru/simsonic/rscPermissions/Engine/ResolutionResult.java b/src/main/java/ru/simsonic/rscPermissions/Engine/ResolutionResult.java
index 3130a22..7ad5d84 100644
--- a/src/main/java/ru/simsonic/rscPermissions/Engine/ResolutionResult.java
+++ b/src/main/java/ru/simsonic/rscPermissions/Engine/ResolutionResult.java
@@ -40,7 +40,7 @@ public class ResolutionResult
 	public String[] getDeorderedGroups()
 	{
 		final ArrayList<String> list = new ArrayList(groups.size());
-		final String separator = new String(new char[] { Settings.groupLevelTab });
+		final String separator = new String(new char[] { Settings.GROUP_LEVEL_TAB });
 		for(String group : groups)
 		{
 			String[] splitted = group.split(separator);
diff --git a/src/main/resources/languages/english.yml b/src/main/resources/languages/english.yml
index 2a57cd3..4e6e410 100644
--- a/src/main/resources/languages/english.yml
+++ b/src/main/resources/languages/english.yml
@@ -9,33 +9,33 @@ generic:
   maintenance-on:  "{_YL}Server is closed for maintenance now."
   maintenance-off: "{_YL}Server is open for players now."
 integration:
-  vault-yes:      "{_LG}Vault was found and integrated."
-  vault-no:       "{_LR}There is no Vault found. Vault is highly recommended to be installed on your server."
-  worldedit-yes:  "{_LG}WorldEdit (WEPIF) was found and integrated."
-  worldedit-no:   "{_YL}WorldEdit (WEPIF) was not found."
-  worldguard-yes: "{_LG}WorldGuard was found and integrated."
-  worldguard-no:  "{_YL}WorldGuard was not found."
-  worldguard-old: "{_LR}WorldGuard 5.9 or older is found, I need 6.0 or later. {_YL}Region support for WG is disabled."
-  residence-yes:  "{_LG}Residence was found and integrated."
-  residence-no:   "{_YL}Residence was not found."
+  vault-yes:       "{_LG}Vault was found and integrated."
+  vault-no:        "{_LR}There is no Vault found. Vault is highly recommended to be installed on your server."
+  worldedit-yes:   "{_LG}WorldEdit (WEPIF) was found and integrated."
+  worldedit-no:    "{_YL}WorldEdit (WEPIF) was not found."
+  worldguard-yes:  "{_LG}WorldGuard was found and integrated."
+  worldguard-no:   "{_YL}WorldGuard was not found."
+  worldguard-old:  "{_LR}WorldGuard 5.9 or older is found, I need 6.0 or later. {_YL}Region support for WG is disabled."
+  residence-yes:   "{_LG}Residence was found and integrated."
+  residence-no:    "{_YL}Residence was not found."
 debug:
-  enable:  "You will see a lot of debugging information now."
-  disable: "Debugging information is now hidden for you."
+  enable:          "You will see a lot of debugging information now."
+  disable:         "Debugging information is now hidden for you."
 database:
-  command-answer: "Tables have been fetched."
-  fetched-local:  "{_LG}Loaded {:E} entity, {:P} permission and {:I} inheritance rows from local cache."
-  fetched-remote: "{_LG}Fetched {:E} entities, {:P} permissions and {:I} inheritances."
+  command-answer:  "Tables have been fetched."
+  fetched-local:   "{_LG}Loaded {:E} entity, {:P} permission and {:I} inheritance rows from local cache."
+  fetched-remote:  "{_LG}Fetched {:E} entities, {:P} permissions and {:I} inheritances."
 help:
-  header-1:    "{_LS}Perfect permission manager for multiserver environments"
-  header-2:    "{_LS}Current serverId is '{_LG}{SERVER-ID}{_LS}' (server.properties)"
-  usage:       "Usage of available commands:"
-  cmd-user-lp: "{_YL}/rscp user <user> lp {_LS}-- list user's permissions"
-  cmd-user-lg: "{_YL}/rscp user <user> lg {_LS}-- list user's groups"
-  cmd-user-p:  "{_YL}/rscp user <user> prefix {_LS}-- show user's prefix"
-  cmd-user-s:  "{_YL}/rscp user <user> suffix {_LS}-- show user's suffix"
-  cmd-lock:    "{_YL}/rscp lock [mode] {_LS}-- enable specific maintenance mode"
-  cmd-unlock:  "{_YL}/rscp unlock {_LS}-- disable maintenance mode"
-  cmd-debug:   "{_YL}/rscp debug [value] {_LS}-- show/hide some debugging info to you"
-  cmd-fetch:   "{_YL}/rscp fetch {_LS}-- reread all permissions from database"
-  cmd-reload:  "{_YL}/rscp reload {_LS}-- reload config and restart the plugin"
-  cmd-help:    "{_YL}/rscp help {_LS}-- show this help page"
+  header-1:        "{_LS}Perfect permission manager for multiserver environments"
+  header-2:        "{_LS}Current serverId is '{_LG}{SERVER-ID}{_LS}' (server.properties)"
+  usage:           "Usage of available commands:"
+  cmd-user-lp:     "{_YL}/rscp user <user> lp {_LS}-- list user's permissions"
+  cmd-user-lg:     "{_YL}/rscp user <user> lg {_LS}-- list user's groups"
+  cmd-user-p:      "{_YL}/rscp user <user> prefix {_LS}-- show user's prefix"
+  cmd-user-s:      "{_YL}/rscp user <user> suffix {_LS}-- show user's suffix"
+  cmd-lock:        "{_YL}/rscp lock [mode] {_LS}-- enable specific maintenance mode"
+  cmd-unlock:      "{_YL}/rscp unlock {_LS}-- disable maintenance mode"
+  cmd-debug:       "{_YL}/rscp debug [value] {_LS}-- show/hide some debugging info to you"
+  cmd-fetch:       "{_YL}/rscp fetch {_LS}-- reread all permissions from database"
+  cmd-reload:      "{_YL}/rscp reload {_LS}-- reload config and restart the plugin"
+  cmd-help:        "{_YL}/rscp help {_LS}-- show this help page"
diff --git a/src/main/resources/languages/russian.yml b/src/main/resources/languages/russian.yml
index 47adbf2..93c3ea9 100644
--- a/src/main/resources/languages/russian.yml
+++ b/src/main/resources/languages/russian.yml
@@ -9,33 +9,33 @@ generic:
   maintenance-on:  "{_YL}Сервер закрыт на техническое обслуживание."
   maintenance-off: "{_YL}Сервер открыт для свободного входа игроков."
 integration:
-  vault-yes:      "{_LG}Vault обнаружён и подключён."
-  vault-no:       "{_LR}Не удаётся найти плагин Vault. Рекомендуется его скорейшая установка."
-  worldedit-yes:  "{_LG}WorldEdit (WEPIF) обнаружён и подключён."
-  worldedit-no:   "{_YL}WorldEdit (WEPIF) не обнаружен."
-  worldguard-yes: "{_LG}WorldGuard обнаружён и подключён."
-  worldguard-no:  "{_YL}WorldGuard не обнаружен."
-  worldguard-old: "{_LR}Найден WorldGuard 5.9 или старше, но для работы требуется версия 6.0 или новее. {_YL}Поддержка регионов WG будет отключена."
-  residence-yes:  "{_LG}Residence обнаружён и подключён."
-  residence-no:   "{_YL}Residence не обнаружен."
+  vault-yes:       "{_LG}Vault обнаружён и подключён."
+  vault-no:        "{_LR}Не удаётся найти плагин Vault. Рекомендуется его скорейшая установка."
+  worldedit-yes:   "{_LG}WorldEdit (WEPIF) обнаружён и подключён."
+  worldedit-no:    "{_YL}WorldEdit (WEPIF) не обнаружен."
+  worldguard-yes:  "{_LG}WorldGuard обнаружён и подключён."
+  worldguard-no:   "{_YL}WorldGuard не обнаружен."
+  worldguard-old:  "{_LR}Найден WorldGuard 5.9 или старше, но для работы требуется версия 6.0 или новее. {_YL}Поддержка регионов WG будет отключена."
+  residence-yes:   "{_LG}Residence обнаружён и подключён."
+  residence-no:    "{_YL}Residence не обнаружен."
 debug:
-  enable:  "Теперь Вы будете видеть отладочную информацию."
-  disable: "Отладочная информация теперь скрыта от Вас."
+  enable:          "Теперь Вы будете видеть отладочную информацию."
+  disable:         "Отладочная информация теперь скрыта от Вас."
 database:
-  command-answer: "База данных перечитана."
-  fetched-local:  "{_LG}Восстановлено {:E} сущностей, {:P} прав и {:I} наследований."
-  fetched-remote: "{_LG}Получено {:E} сущностей, {:P} прав и {:I} наследований."
+  command-answer:  "База данных перечитана."
+  fetched-local:   "{_LG}Восстановлено {:E} сущностей, {:P} прав и {:I} наследований."
+  fetched-remote:  "{_LG}Получено {:E} сущностей, {:P} прав и {:I} наследований."
 help:
-  header-1:    "{_LS}Идеальный плагин для мультисерверных проектов"
-  header-2:    "{_LS}Идентификатор этого сервера установлен в '{_LG}{SERVER-ID}{_LS}' (server.properties)"
-  usage:       "Синтаксис доступных команд:"
-  cmd-user-lp: "{_YL}/rscp user <user> lp {_LS}-- получение списка прав игрока"
-  cmd-user-lg: "{_YL}/rscp user <user> lg {_LS}-- получение дерева групп игрока"
-  cmd-user-p:  "{_YL}/rscp user <user> prefix {_LS}-- просмотр префикса игрока"
-  cmd-user-s:  "{_YL}/rscp user <user> suffix {_LS}-- просмотр суффикса игрока"
-  cmd-lock:    "{_YL}/rscp lock [mode] {_LS}-- перевод сервера в режим обслуживания"
-  cmd-unlock:  "{_YL}/rscp unlock {_LS}-- отключение режима обслуживания"
-  cmd-debug:   "{_YL}/rscp debug [value] {_LS}-- вкл/выкл отладочной информации о Вас"
-  cmd-fetch:   "{_YL}/rscp fetch {_LS}-- получение групп и прав из базы банных"
-  cmd-reload:  "{_YL}/rscp reload {_LS}-- перезагрузка плагина"
-  cmd-help:    "{_YL}/rscp help {_LS}-- эта справка"
+  header-1:        "{_LS}Идеальный плагин для мультисерверных проектов"
+  header-2:        "{_LS}Идентификатор этого сервера установлен в '{_LG}{SERVER-ID}{_LS}' (server.properties)"
+  usage:           "Синтаксис доступных команд:"
+  cmd-user-lp:     "{_YL}/rscp user <user> lp {_LS}-- получение списка прав игрока"
+  cmd-user-lg:     "{_YL}/rscp user <user> lg {_LS}-- получение дерева групп игрока"
+  cmd-user-p:      "{_YL}/rscp user <user> prefix {_LS}-- просмотр префикса игрока"
+  cmd-user-s:      "{_YL}/rscp user <user> suffix {_LS}-- просмотр суффикса игрока"
+  cmd-lock:        "{_YL}/rscp lock [mode] {_LS}-- перевод сервера в режим обслуживания"
+  cmd-unlock:      "{_YL}/rscp unlock {_LS}-- отключение режима обслуживания"
+  cmd-debug:       "{_YL}/rscp debug [value] {_LS}-- вкл/выкл отладочной информации о Вас"
+  cmd-fetch:       "{_YL}/rscp fetch {_LS}-- получение групп и прав из базы банных"
+  cmd-reload:      "{_YL}/rscp reload {_LS}-- перезагрузка плагина"
+  cmd-help:        "{_YL}/rscp help {_LS}-- эта справка"