func New() *RequestConfig {
	return &RequestConfig{}
}
New supply initial structure
package gofight
import (
	"bytes"
	"encoding/json"
	"io"
	"log"
	"mime/multipart"
	"net/http"
	"net/http/httptest"
	"net/url"
	"os"
	"path/filepath"
	"strings"
)
const (
	Version         = "1.0"
	UserAgent       = "User-Agent"
	ContentType     = "Content-Type"
	ApplicationJSON = "application/json"
	ApplicationForm = "application/x-www-form-urlencoded"
)
type HTTPResponse *httptest.ResponseRecorder
type HTTPRequest *http.Request
type ResponseFunc func(HTTPResponse, HTTPRequest)
type H map[string]string
type D map[string]interface{}
type RequestConfig struct {
	Method      string
	Path        string
	Body        string
	Headers     H
	Cookies     H
	Debug       bool
	ContentType string
}
type UploadFile struct {
	Path    string
	Name    string
	Content []byte
}