Fix old items with disambiguated id's being marked as read.
Remove outdated comment.
Remove maximum thread count.
Don't switch views when single-clicking the list.

This may return as a pref, but for now let's not confuse everyone.
Add "Open in New Window" option.
Open item in browser when double-clicking.
Use http verb to open browser.
Remove dependency on Argotic.
Add rdf support, work around htmlagilitypack auto-closing link tags.
Skip duplicate items.
Add "Copy Link Location" option.
Detect gzip streams because people are bad at webservers.