Fixed a join bug

src/com/garbagemule/MobArena/MACommands.java

@@ -171,6 +171,7 @@ public class MACommands implements CommandExecutor
             // If there was an error, don't join.
             if (error)
             {
+                if (arena != null)
                     arena.refund(p);
                 return true;
             }

src/com/garbagemule/MobArena/MAUtils.java

@@ -608,7 +608,7 @@ public class MAUtils
     
     /**
      * Removes all the pets belonging to this player.
-     */
+     *//*
     public static void clearPets(Arena arena, Player p)
     {
         for (Wolf w : arena.pets)
@@ -616,7 +616,7 @@ public class MAUtils
             if (w.getOwner().equals(p))
                 w.remove();
         }
-    }
+    }*/