Prevent mobs from picking up dropped items and blocks. Fixes #344

src/main/java/com/garbagemule/MobArena/waves/MACreature.java

@@ -120,6 +120,7 @@ public class MACreature
     public LivingEntity spawn(Arena arena, World world, Location loc) {
         LivingEntity e = (LivingEntity) world.spawnEntity(loc, type);
         e.getEquipment().clear();
+        e.setCanPickupItems(false);
 
         switch (this.name) {
             case "sheep":