0.40.3 - Fix crashing on startup

[FIX] Crash on initialization phase - caused by detecting development environment

0.40.2 - Ready to MC 1.15.2 + Forge 31.2.0

[ADD] Villager slab is come back!

[ADD] Wand: Drop iron blocks and iron ingots when attack iron golem with wand

[ADD] Villager block: Craft vacant villager block with XP bottle, tradeable villager block is come back!

[CHANGE] Villager: No drops when killing villager

[CHANGE] Wand: Infinity usage count. No emerald to charge

[CHANGE] Villager block: Renew GUI layout to based on 1.15.2

[CHANGE] Villager block: Use stone cutter to make villager slab