Fix some reported issues
Early return instead of remove on a blockingdeque
Fix issue #64
Ender dragon shouldn't get its yaw set while flying
Add citizens.npc.skin wildcard support

citizens.* and citizens.npc.* now include citizens.npc.skin
Tab list compatibility fixes

Works with all versions of 1.7.10 including before and after the
protocol hack.
Remove obselete code
Optimise 1.8 playerlist hack
Prevent automatic saving
Fix skin fetching