* 修改数据包校验
提供不同的解包方法
Merge branch 'AngryPowman' of https://github.com/zpublic/zpublic into AngryPowman

Conflicts:
	src/irene/iserver/tcp_connection.cpp
Merge branch 'master' of https://github.com/zpublic/zpublic into AngryPowman
* 增加erase方法
* 重写解包流程
Merge pull request #9 from zpublic/AngryPowman

AngryPowman