public function getRole($role) {
		
		if(false === is_string($role)) {
			return trigger_error(sprintf('Argument 1 passed to %s() must be of the type string, "%s" given', __METHOD__, gettype($role)), E_USER_ERROR);
		}

		foreach($this -> permissions as $type => $resources) {

			if($role === $type) {
				
				$p = new Resources();
				$p -> setResources($resources);

				return $p;
			}
		}

		return null;
	}