version 1.1 (06/05/2005):
	* interface for connection to testproxy directly (unfinished)
	* customize path to conf file when compiling (considered)
	* texinfo
	* the third revision of GPL 2 
version 1.1 (05/11/2005):
	* rewrite struction and prepare interface for the extension
	* learning gnu-coding-standards
	* add mem wrapper and remove inner stricts of vars
	* rewrite the whole codes to be compatible with ansi c
version 1.1 (02/20/2004):
	* through a free(without basic auth) http tunnel is enabled.
Version 1.0 (02/20/2004):
	* HTTP_GET (switch)
	* HTTP_CONNECT (switch)
	* through a http proxy with basic auth (must have)
	* manpage
	* autoconf automake
	* thread (custom)
	* proxylist (user provide) 
	* 3delay for HTTP_GET,4 delay for HTTP_CONNECT
	* checksite ,key and user_agent (custom) 
