/**
  * Register new autloader on $ns
  * @param string $ns
  * @param string|null $includePath
  * @param string|null $fileExt
  */
 public static function AutoloadRegister($ns, $includePath = null, $fileExt = null)
 {
     $me = new self($ns, $includePath);
     if (null !== $fileExt) {
         $me->setFileExtension($fileExt);
     }
     $me->register();
 }