The entity class may now decide when it's default

src/com/massivecraft/mcore/Lang.java

@@ -6,6 +6,7 @@ public class Lang
 	public static final String permDoThat = "do that";
 	
 	public static final String commandSenderMustBePlayer = "<b>This command can only be used by ingame players.";
+	public static final String commandSenderMusntBePlayer = "<b>This command can not be used by ingame players.";
 	public static final String commandToFewArgs = "<b>To few arguments. <i>Use like this:";
 	public static final String commandToManyArgs = "<b>Strange arguments %s<b>.";
 	public static final String commandToManyArgs2 = "<i>Use the command like this:";

src/com/massivecraft/mcore/cmd/req/ReqIsntPlayer.java

@@ -0,0 +1,36 @@
+package com.massivecraft.mcore.cmd.req;
+
+import org.bukkit.command.CommandSender;
+
+import com.massivecraft.mcore.Lang;
+import com.massivecraft.mcore.cmd.MCommand;
+import com.massivecraft.mcore.util.SenderUtil;
+
+public class ReqIsntPlayer extends ReqAbstract
+{
+	private static final long serialVersionUID = 1L;
+	
+	// -------------------------------------------- //
+	// INSTANCE & CONSTRUCT
+	// -------------------------------------------- //
+	
+	private static ReqIsntPlayer i = new ReqIsntPlayer();
+	public static ReqIsntPlayer get() { return i; }
+	
+	// -------------------------------------------- //
+	// OVERRIDE
+	// -------------------------------------------- //
+	
+	@Override
+	public boolean apply(CommandSender sender, MCommand command)
+	{
+		return !SenderUtil.isPlayer(sender);
+	}
+	
+	@Override
+	public String createErrorMessage(CommandSender sender, MCommand command)
+	{
+		return Lang.commandSenderMusntBePlayer;
+	}
+	
+}

src/com/massivecraft/mcore/store/Coll.java

@@ -133,7 +133,18 @@ public class Coll<E, L extends Comparable<? super L>> implements CollInterface<E
 	
 	// Should that instance be saved or not?
 	// If it is default it should not be saved.
-	@Override public boolean isDefault(E entity) { return false; }
+	@SuppressWarnings("rawtypes")
+	@Override public boolean isDefault(E entity)
+	{
+		if (entity instanceof Entity)
+		{
+			return ((Entity)entity).isDefault();
+		}
+		else
+		{
+			return false;
+		}
+	}
 	
 	// -------------------------------------------- //
 	// COPY AND CREATE

src/com/massivecraft/mcore/store/Entity.java

@@ -102,6 +102,11 @@ public abstract class Entity<E extends Entity<E, L>, L extends Comparable<? supe
 		return (E) this;
 	}
 	
+	public boolean isDefault()
+	{
+		return false;
+	}
+	
 	@Override
 	public int compareTo(E that)
 	{