code: def set
        api('user.set_avatar', :avatarid => id)
        client.user.attributes = {'avatarid' => id}
        client.user.avatar.attributes = {'min' => minimum_points, 'acl' => acl}
        true
      end
docs: Updates the current user's avatar to this one.
  
   @return [true]
   @raise [Turntabler::Error] if the command fails
   @example
     avatar.set    # => true