public static function changeDate(String $file, String $type = 'd.m.Y G:i:s') : String
    {
        $file = self::rpath($file);

        if( ! file_exists($file) )
        {
            throw new Exception\FileNotFoundException(NULL, $file);
        }

        $date = filemtime($file);

        return date($type, $date);
    }