Donkey dupe fix

fixes the donkey dupe which was broken by the last patch

NPE fixes

fixed NPE errors on player disconnects, inventory interacts

Config bugfix

fixed a typo in the config generation / reading code that led to the donkey dupe portion not being read correctly

Donkey Dupe Fix

small patch which fixes the config manager / donkey dupe

Initial github release

final form of the first iteration of this plugin; includes the 1.12.2 autocraft dupe and the 1.15 donkey dupe