AI Entities

Key factors to note about this version:
--DOES NOT WORK WITH MODS THAT ALTER HOW VANILLA MOBS WORK. (The game will crash when a vanilla entity tries to attack you)
--WILL WORK ON MODDED MOBS. (For mods that only add mobs)

Adds:
--More Variability.
--Better RL System.
--Entities are now allowed to break blocks (breaking blocks has to still be tweaked by me it doesn't completely work correctly), craft stuff, place blocks, interact with blocks, and choose to attack.
--Entities have an Inventory now.