Authored by 周奇琪

添加RESTful和Yaf的外链

相关RESTful的知识
----------------------
[理解RESTful架构](http://www.ruanyifeng.com/blog/2011/09/restful.html)
[RESTful API 设计最佳实践](http://blog.jobbole.com/41233/)
[RESTful API 设计指南](http://www.ruanyifeng.com/blog/2014/05/restful_api.html)
Yaf相关
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[Yaf官网](http://www.laruence.com/manual/)
[Yaf windows的dll下载](http://windows.php.net/downloads/pecl/releases/yaf/2.2.9/)
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