v1.5 [Jan 17, 2011]
New feature: Supported Microsoft *.mht web pages.
New feature: New shopping extension on side bar.
New feature: Sites navigation page for Korean.
Bug fix: Close some of pages opened in ie mode may lead to crash.
Bug fix: Wrong up-grade prompt due to up-grade mechanism involved in the base version.
Bug fix: Sometimes extensions on side bar can not be opened correctly.
Bug fix: Crash when "Never show side-bar" be clicked twice.
