1. Refactored login code to use permanent cookie
2. Logged-in user operations now supply modhash as required
3. Upvote/Downvote working (fixed some bugs)
4. Fixed some bugs in comment posting (should work, untested)
5. Fixed bug in youtube player (now gets ID instead of relying on URL)
6. Legend is now toggled using the PAUSE button instead from menu
7. Minimum font size is enforced so that articles won't get indented