/**
  * 
  * Getter for refund's errors
  * @param int $i
  */
 public function getRefundError($i = 0)
 {
     return parent::getError('all', $this->_response[$i]);
 }
 /**
  * Get the error occurred
  * (non-PHPdoc)
  * @see ubrirLib::getError()
  */
 public function getError($paymentMethod = 'all', $message = '')
 {
     return parent::getError($paymentMethod, $message);
 }