Fix Slimefun item eat at cauldron

Update 3.1

Enable JavaDoc generation in pom

Version 2.1.2 for Bukkit 1.16

Version 2.1.1 + Config Updater

Added MC Barrel Permission #222

Bump to 2.0.1

Release Version 2.0

Reapply potion effects to the player if he already has it

Fixes #205