ver 1.0.7	2014-05-20	calvin
		* add english doc

ver 1.0.6	2014-05-18	calvin
		* add function SetOpenFlag,IsLogOpened for output callback function processing open flag
		* log filename and config filename support env format string , exam : "$APP_LOGDIR$/app.log"
		* fixed bug : filename can't parse correctly on output item in config ; thanks to found
		
ver 1.0.5	2014-05-11	calvin
		* fixed a bug on windows 64bits : change "time( & (g->cache1_tv.tv_sec) ) ;" to "g->cache1_tv.tv_sec = time( NULL ) ;" ; thanks to MichaelZH
		* fxied a bug on windows : change "CreateFileA( ... , FILE_SHARE_WRITE , ... )" to "CreateFileA( ... , FILE_SHARE_READ | FILE_SHARE_WRITE , ... )" for opening log file by editor ; thanks to MichaelZH

ver 1.0.4	2014-03-24	calvin
		* change win32api CreateFile to CreateFileA for unicode ; thanks to shidapao

ver 1.0.3	2014-02-14	calvin
		* add SetLogBeforeRotateFileFunc,SetLogAfterRotateFileFunc
		* add SetFilterLogFunc

ver 1.0.2	2014-02-09	calvin
		* add LOGCONF,LOGSCONF

ver 1.0.1	2014-01-19	calvin
		* add LOGS

ver 1.0.0	2014-01-05	calvin
		* create