Minor Comment Tweaks

src/com/massivecraft/massivecore/mixin/WorldMixinAbstract.java

@@ -14,12 +14,17 @@ public abstract class WorldMixinAbstract implements WorldMixin
 	@Override
 	public List<String> getVisibleWorldIds(Permissible permissible)
 	{
+		// Create
 		List<String> ret = new ArrayList<String>();
+		
+		// Fill
 		for (String worldId : this.getWorldIds())
 		{
 			if ( ! this.canSeeWorld(permissible, worldId)) continue;
 			ret.add(worldId);
 		}
+		
+		// Return
 		return ret;
 	}
 	

src/com/massivecraft/massivecore/mixin/WorldMixinDefault.java

@@ -36,11 +36,16 @@ public class WorldMixinDefault extends WorldMixinAbstract
 	@Override
 	public List<String> getWorldIds()
 	{
+		// Create
 		List<String> ret = new ArrayList<String>();
+		
+		// Fill
 		for (World world : Bukkit.getWorlds())
 		{
 			ret.add(world.getName());
 		}
+		
+		// Return
 		return ret;
 	}