Update README.md

Update for hprose

README.md

 * [Stack](https://github.com/stackphp) - A library of stackable middleware for Silex/Symfony.
 * [Slim Middleware](https://github.com/codeguy/Slim-Middleware) - A collection of custom middleware for Slim.
 * [Conduit](https://github.com/phly/conduit) - A port of [Sencha Connect](https://github.com/senchalabs/connect) to PHP.
+* [Hprose-PHP](https://github.com/hprose/hprose-php) - A very newbility RPC Library, support 25+ languages now.
 
 ## URL
 *Libraries for parsing URLs.*