Merge pull request 'Bum Fix' (#151) from BumFix into master

Reviewed-by: Lixfel <lixfel@steamwar.de>

BauSystem_Main/src/de/steamwar/bausystem/tracer/show/mode/Basic.java

@@ -29,7 +29,11 @@ public class Basic implements ShowMode {
         }
         RoundedTNTPosition roundedTNTPosition = new RoundedTNTPosition(position);
         if (tntEntityMap.containsKey(roundedTNTPosition)) {
-            return;
+            if (!position.isExploded()) {
+                return;
+            } else {
+                tntEntityMap.remove(roundedTNTPosition).hide(player).killEntity();
+            }
         }
         tntEntityMap.put(roundedTNTPosition, createEntity(position.getLocation(), position.isExploded(), true));
     }