Reworking item config file to handle future changes.
Updated Metrics to work with updated getOnlinePlayers
Remove Hopper Item Pickup/Moving for now as it is extremely buggy
Revert static logger
Added UUID support. Items.yml will autoconvert worldName.player.playerName to worldName.player.uuid (Fixes #94)
Check all player groups, not just the primary (these may not work in any particular order) (Fixes #95)
Removed stackableitems.stack permission node, it isn't necessary
Fixed a bunch of inventory issues.
Fixed picking up items in the wrong hotbar direction
Restructured getAmountDefaultCanMove to make it more readable.
Abstract out getAmountDefaultCanMove to reduce code duplication
Code cleanup