Begin creating tests
Get notifications json dump.

The endpoint for getting notifications requires explicitely putting the cookie
headers in the URL. For some reason, the cookies argument passed to
request.post isn't enough.
parse_notifications_json tests passing
Fix get_grades regression
Restructure tests directory
Restructure tests again and get API tests working
Remove log file and ignore all subsequent log files
Allow now to be overridden in get_announcements for testing purposes
Improve testfile helper