PBPatch

commands:

 promote:
   description: Set new group for user
   usage: /promote <player> <group>
 demote:
   description: Rollback group for user
   usage: /demote <player>

permissions:

 promote:
   description: Help about Set group for player
 demote:
   description: Help about Rollback group for player
 promote.exec:
   description: Set group for player
 demote.exec:
   description: Rollback group for player