/**
  * Constructor
  *
  * @access protected
  * @param array $options optional parameters
  */
 public function __construct($options = array())
 {
     parent::__construct($options);
     $params = $options;
     $this->_compress = isset($params['compression']) ? $params['compression'] : 0;
     $this->_persistent = isset($params['persistent']) ? $params['persistent'] : false;
     // This will be an array of loveliness
     if (array_key_exists('servers', $params)) {
         $this->_servers = $params['servers'];
     }
     if ($params['cache']) {
         $this->_db = $params['cache'];
     }
 }