Change block break from Highest to Monitor to fix duping glitches with protection mods.

mcMMO/com/gmail/nossr50/mcMMO.java

@@ -125,7 +125,7 @@ public class mcMMO extends JavaPlugin
 
 		//Block Stuff
 		pm.registerEvent(Event.Type.BLOCK_DAMAGE, blockListener, Priority.Highest, this);
-		pm.registerEvent(Event.Type.BLOCK_BREAK, blockListener, Priority.Highest, this);
+		pm.registerEvent(Event.Type.BLOCK_BREAK, blockListener, Priority.Monitor, this);
 		pm.registerEvent(Event.Type.BLOCK_FROMTO, blockListener, Priority.Normal, this);
 		pm.registerEvent(Event.Type.BLOCK_PLACE, blockListener, Priority.Normal, this);