Fix bug in insertRule() when initialized with selector filtering
Remove * {} from inserted stylesheet
Prefer 'cssRules' over 'rules' property in document stylesheet objects
Fix bug causing crash in IE<=8
Fix bug in IE7 when adding rules with grouped selectors
Update cssStyleName() to return value only if style is available
Remove v0.1.x backward compatible $.stylesheet.style()
Update jQuery min dependency to v1.6.1