Changes

The empty variant of the lava clay bucket is now a clay bucket with stacksize 0. This means you get a clay bucket stack with size 0 back if it gets emptied, which is usually removed directly by MC. Fixes the interaction with tanks not destroying lava buckets. This does NOT fix the issue for molten metals, however that is a lesser issue. #117
 (commit: c38dd1c)

Version Bump 2.1.5
 (commit: aead321)