IWComboBox, IWListBox and descendants would fail if ItemsHaveValues=True and value contains space or other special chars
OnRewriteURL event would not set URLBase as expected, causing it to fail when running with reverse proxy servers
Fix issues caused by wrong URLs generated when IW application runs behind a (reverse) proxy server, using different ports for HTTP and HTTPS. Also fixes issues when switching from HTTP to HTTPS and vice-versa
Fix IE 7/8 JavaScript incompatibility
Modified
IWTabControl: Improved rendering. Removed ugly flick when rendering tabs for the first time