Interfaces der DefaultGui angepasst

src/Backend.cs

@@ -17,17 +17,17 @@ namespace Frontend
 			Rec = new Receiver(Client, Parse);
 		}
 
-		public List<IPositionable> getDragons()
+		public IEnumerable<IPositionable> getDragons()
 		{
 			return null;
 		}
 
-		public List<IPositionable> getPlayers()
+		public IEnumerable<IPositionable> getPlayers()
 		{
 			return null;
 		}
 
-		public ITile[][] getMap()
+		public ITile[,] getMap()
 		{
 			return null;
 		}