Add debug messages

Signed-off-by: Lixfel <agga-games@gmx.de>

FightSystem_Core/src/de/steamwar/fightsystem/listener/LeaveableArena.java

@@ -77,11 +77,13 @@ public class LeaveableArena implements Listener {
             markInArena(player);
         } else if(!inArena && spectator) {
             player.setGameMode(spectatorsInArena.remove(player));
+            System.out.println("Mark out arena: " + player.getName());
         }
     }
 
     private void markInArena(Player player) {
         spectatorsInArena.put(player, player.getGameMode());
         Fight.setPlayerGamemode(player, GameMode.SPECTATOR);
+        System.out.println("Mark in arena: " + player.getName());
     }
 }