Bukkit

This version fixes a lot of bugs:

- A glitch that made it possible to duplicate custom item stacks using container output slots

- Annoying collect-to-cursor and shift-clicking behavior in custom containers

- Exceptions that would be raised when using invalid amounts in /kci give

- Item sets that were exported by Editor 8.0 or 8.1 couldn't be used if they had custom shears

- Weird behavior of the ATLEAST replacement condition