Changed: You no longer need to unlock the recipes!
Changed: Improved crafting difficulty

Added: Iron pickaxe and ironpickaxe recipe
Added: Duration for crafting
Improved coding: use of .patch files instead of .item files

Fixed bug: pickaxe doesn't showing in the anvil (Fix = wrong group name)

Fixed bug: crash problem caused by diamond (Fix = use of copper ore to learn the diamond pickaxe recipe on pickup)