Tag all new items as unread, and tweak id generation.
Use a default storage folder.
Change some namespaces.
Add refresh button to gui.
Add items listview.
Add item view.
Add "Show item list" button to item view.
Fix item toolstrip covering top of webbrowser.
Go to single item view when clicking an item.
Show timestamps in local timezone.
Add "Mark all items as read" menu item.
Use feed title as default author.