Add some useful function for Web Developer(1)集成了 xdebugHelper ,并增加更多选项
(2)禁用浏览器缓存
(3)展示 HTTP 回应头信息,以及服务器的 IP 地址
(1)The integration of the xdebugHelper, and add more options
(2)Disable the browser cache
(3)Display HTTP response header information, and server IP address