Allow copying of story link to clipboard, as well as opening in a browser.
Allow copying of feed link/address to clipboard, as well as opening in a browser.
Updated __str__/__repr__ methods - weren't working in python 3 (and now probably doesn't work in python 2).
First attempt at mark as read/unread button on StoryPage.
Fixes (removal of ``new Boolean()``) for marking stories as read/unread.