permissionsmanager.allowed - Allows players to use GUI, if 'RequiresPermission' is true.
Plugin can be used with this permission, or by any Admin : Auth Level 2.
• /perms OR /perms player - Opens GUI player list, allowing a player to be chosen.
• /perms group - Opens GUI group list, allowing a group to be chosen.
• /perms player <playername> - Opens permissions GUI for the specified player.
• /perms group <groupname> - Opens permissions GUI for the specified group.
• EmptyGroup <groupname> - Removes all players from the specified group.