func (r *Response) Body() []byte {
	if r.RawResponse == nil {
		return []byte{}
	}
	return r.body
}
Body method returns HTTP response as []byte array for the executed request.
Note: `Response.Body` might be nil, if `Request.SetOutput` is used.
package resty
import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"strings"
	"time"
)
type Response struct {
	Request     *Request
	RawResponse *http.Response
	body       []byte
	size       int64
	receivedAt time.Time
}