说明：  一个小巧的代理程序（编译后压缩大约5K），工作模式是单线程的，即异步模式， 工作在1个端口，根据分析请求的数据，同时支持3种常用代理: 1, HTTP代理(支持模式:GET,POST,CONNECT) 2, Sock4代理 3, Sock5代理(TCP,UDP)
(a compact agents (compiled compressed about 5K), the mode is the thread, that is asynchronous mode, in a port, based on an analysis of the requested data, while supporting three kinds of agents : 1. HTTP proxy (mode of support : GET, POST, CONNECT) 2, 3 Sock4 agent, Sock5 Agents (TCP, UDP))