Beta V0.3.1 (2011-5-2)
 - Fixed one memory leak.
 - Implemented import/export sites feature. 
 - Implemented url retry times feature.
 - Implemented save file extension feature.
 - Show detailed saving path in the main panel.
 
Beta V0.3.0 (2010-12-12)
 - Fixed url extension issue.
 - Changed configuration panel to use tabs.
 - Implemented using proxy feature.
 - Implemented auto cofigure feature.
 - Implemented rules for extend to Internet.
 - Fixed auto save on exit issue. 

Beta V0.2.4 (2010-11-26)
 - Enhanced special chars("?" "*" "&" ) handler.
 - Fixed "Location" handling defect. 

Beta V0.2.3 (2010-11-8)
 - Fixed memory leak issue in valid IP address function
 - Fixed memory leak issue in hash table handler
 - Revised text on GUI 
 - Changed hash algorithm. 
 - Change meta files' name. 

Beta V0.2.2 (2010-11-3)
 - Feature enhancement, "auto extend" has one more option -- crawling sites inside same company.
 - Fixed defect -- <base> tag in html can not be handled correctly.
 - Fixed defect -- "location" information in header of http protocal can not be handled correctly. 
 - Removed limitation -- Main entries of sites can only be htm or html. 

Beta V0.2.1 (2010-10-29)
 - Feature added, new option for downloading text files without type limitations.
 - Fixed defect, which didn't feature aspx, xml, xsl, plain text and css resources downloading.

Beta V0.2.0 (2010-10-24)
 - Feature added, communication with MarioSam

Beta V0.1.0  (2010-10-1)
 - Initial version