func (r *Response) URL() *url.URL {
	return r.Response.Request.URL
}
URL - Gets response request URL.
package crawl
import (
	"bytes"
	"io/ioutil"
	"net/http"
	"net/url"
	"github.com/PuerkitoBio/goquery"
)
type Response struct {
	*Request
	*http.Response
	doc  *goquery.Document
	body []byte
}
func (r *Response) ParseHTML() (err error) {
	body, err := r.Bytes()
	if err != nil {
		return
	}
	r.doc, err = goquery.NewDocumentFromReader(bytes.NewBuffer(body))
	return
}
func (r *Response) Bytes() (body []byte, err error) {
	if r.body == nil {
		err = r.readBody()
	}
	return r.body, err
}
func (r *Response) Status() string {
	return r.Response.Status
}