Start work on command GUI
Code cleanup
Add new lighting mode (see config)
Rename sponge -> sponge112
Fix sponge compile issues
Fix fuzzy region min/max not being set on first use
Fix clipboard on disk not closing on java 9
Start work on CFI chunk simplifier (for loading existing worlds)
Minor tile fixes for bukkit 1.12
Brushes can be bound to the item instead of being stored in the player's
LocalSession.
- Brushes can be shared by dropping the item
- Hasn't been fully tested, there may be bugs or performance issues