Change players.yml undo format to be more sane.
Reduce default undo queue size to make serializing less expensive.
Add /wandp command for remote wand manipulation, or command blocks.
Cancel the combust event completely for wands with fire protection.
Make wands semi-indestructible.
Lower "max" wand mana levels.
Remove debug prints.

oops!
Fix the camera spell
Fix exception setting ticks lived to 0.
Persist blocks that are schedule for cleanup.