Fixed duplications (Tested on all versions and bungeecord also with AuthMe installed).
Added /clearskin command used to clear player skin, but not skin data. (Requires skinsrestorer.playercmds)
Fixed some API issues which were causing class not found exception.
Changed version string to v12.6
I believe the skin duplications are fixed, but if you find one and you know the cause, please tell me. It's recommended to remove your locale.yml before using this update. This is a Stable build. I hope you will enjoy it.