[ADD] Possiblity to get an helpEntry with the command name.
[TEST] Using reflection to avoid some problems with tests.
[DEV] Regsitering all the permission of the plugin in a file.
permissions.yml in the directory of the plugin.
[OPTIMIZATION] Better listing of permissions.
[FIX] Perm registration fix for mute command.
[FIX] Resolved conflit in permissions.yml