// Print query
	src, err := boolQuery.Source()
	data, err := json.MarshalIndent(src, "", "  ")
	fmt.Println(string(data))
----------
	// Print unformatted query
	//queryBytes, err := json.Marshal(src)
	//if err != nil {
	//	fmt.Println("Error in querystring : ", err.Error())
	//}
	//fmt.Println(string(queryBytes))