}

// Error implements error
func (he *HTTPError) Error() string {
	return fmt.Sprintf("http status code: %d while fetching url %s",
		he.StatusCode, he.URL)
}

// ReadURL read contents from given url
func ReadURL(url string, client *http.Client, header *http.Header) (body []byte, err error) {
	req, err := http.NewRequest("GET", url, nil)
	if err != nil {
		return nil, err
	}
	if header != nil {