Head API added. Opt renamed to Options. Tests updated. More documentation added.

response.go

@@ -6,6 +6,8 @@ import (
 	"net/url"
 )
 
+// Response type wraps http.Response
+// Contains parsed response data and Geziyor functions.
 type Response struct {
 	*http.Response
 	Body []byte
@@ -15,6 +17,7 @@ type Response struct {
 	Exports chan map[string]interface{}
 }
 
+// JoinURL joins base response URL and provided relative URL.
 func (r *Response) JoinURL(relativeURL string) string {
 	parsedRelativeURL, err := url.Parse(relativeURL)
 	if err != nil {