private static function init_consts()
 {
     self::$initiated = true;
     self::$errors = new WP_Error();
     define('TILDA_API_URL', 'http://api.tildacdn.info/v1/');
     define('TILDA_PUBLIC_KEY', self::get_public_key());
     define('TILDA_SECRET_KEY', self::get_secret_key());
 }