Dubbo PHP Client Version 1.0 RC

Thanks for couple developer's work, dubbo php client has got a lot progress. The 1.0_rc is a release candidate version, it is more stable than any other previous release. Some additional main features manifest :

1. Require namespace mechanism, easy to use.
2. Support composer
3. Support laravel
4. Single and multiple Instance usage.

The latest beta release

按composer规范代码重构，编写单元测试，支持laravel包调用

betastable

0.4.0

Merge branch 'master' of https://github.com/quickj/dubbo-php-client

beta_client

Update README.md

add the examle

betafix_client

bet fix version

alpha_client

凑合使用版本