/**
  * Deep clone of this instance
  *
  * @return void
  */
 public function __clone()
 {
     parent::__clone();
     if ($this->_url instanceof KHttpUrl) {
         $this->_url = clone $this->_url;
     }
 }
 /**
  * Initializes the default configuration for the object
  *
  * Called from {@link __construct()} as a first step of object instantiation.
  *
  * @param  KObjectConfig $config  An optional ObjectConfig object with configuration options.
  * @return void
  */
 protected function _initialize(KObjectConfig $config)
 {
     $config->append(array('content' => '', 'content_type' => 'text/html', 'status_code' => '200', 'status_message' => null, 'headers' => array()));
     parent::_initialize($config);
 }