Add a check to prevent Eternal Stella from breaking my tools - resolves

#289

src/main/java/com/direwolf20/justdirethings/common/items/interfaces/Helpers.java

@@ -203,6 +203,7 @@ public static int testUseTool(ItemStack stack) {
             if (energyStorage == null) return -1; //Shouldn't Happen!
             return energyStorage.getEnergyStored() - poweredTool.getBlockBreakFECost();
         } else {
+            if (!stack.isDamageableItem()) return 1;
             return stack.getMaxDamage() - stack.getDamageValue() - 1;
         }
     }