private static function lock()
	{
		if (self::$currentlylocked === false) {
			self::$authFileP = fopen( self::$authFile , "a+" );
			if ( flock( self::$authFileP , LOCK_EX ) ) {
				self::$currentlylocked = true;
			} else {
				throw new Exception( 'Unable to lock file' );
			}
		}

		return true;
	}