Commit
7ea685089966bb41d8af75a25f5b232f807c1776
by noreplyPlayer's main hand support (#2294)
* `PlayerTag,main_hand`
* `on player changes main hand`
* hand -> new_hand
* remove mirrorBukkitPlayer call
* better matching, remove outdated regex
* remove line
(commit: 7ea6850)