XEngine_ProxyServer V1.5.0.1001

优化:优化服务器性能和线程个数
修改:tunnel和socks代理客户端使用了新的客户端函数
修正:客户端关闭没有释放资源
修正:关闭服务器崩溃

improved: server performance and thread number
modify: tunnel and socks proxy clients used to new client functions
fixed:client close does not free res
fixed:close server is crashed