+ Fixed placing a lava or water bucket with multiple stacked.
+ Fixed combining stacked books on anvil would use the whole stack.
+ Fixed consuming mushroom stew with multiple stacked.
+ Fixed config.yml being removed from the plugin.
+ Removed some unused areas of the code.
+ Cleaned up some areas of the code.
+ Added a command /stack to stack all items in your inventory (STACKS.COMMAND).