Fix Piston retract with Block on Region Floor and Piston above

FightSystem_API/src/de/steamwar/fightsystem/utils/Region.java

@@ -144,7 +144,7 @@ public class Region {
     }
 
     public boolean inRegion(Block block){
-        return in2dRegion(block) && minY <= block.getY() && block.getY() < maxY;
+        return in2dRegion(block) && minY < block.getY() && block.getY() < maxY;
     }
 
     public interface TriConsumer<T, V, U>{