ver 2.2.1	2015-02-09	calvin
		* Fixed the automatic completion bug from entrance to website
		* Fixed a safe pointer bug
		* Fixed a bug on WINDOWS platform

ver 2.2.0	2015-02-07	calvin
		* Modify the function SimSpiderGo prototypes. Well, I don't change since
		* Modify the function name AppendRequestUnit to AppendRequestQueue. Well, I don't change since too
		* add function ResizeRequestQueue used to adjust the request queue size, in order to adapt to crawl 
		* Simplify the util module, remove the third-party libraries iconv dependencies
		* Rearrange the error code

ver 2.1.1	2015-02-05	calvin
		* Stripping of third-party libraries fasterxml,fasterjson dependencies 
		
ver 2.0.1	2015-02-04	calvin
		* Fixed a bug
		* WINDOWS Supported

ver 2.0.0	2015-02-01	calvin
		* support concurrents in single process

ver 1.0.0	2014-12-12	calvin
		* create