Description
After removing an item from a machine, sometimes a ghost copy of the stack is left behind. It disappears upon interaction, or if the screen is closed and reopened. No actual items are duplicated.

Expected Behavior
When an item is removed from a slot, the item is removed the slot.

Art of Alchemy is now being maintained by a different team in a new repository. Please use https://github.com/Cumulus-Mods/Art-of-Alchemy/issues/6 for further discussion on this issue. Thank you.

Possibly related to #12.