The Application now has a way of filtering users (login in system). To log in use username: dev, password: dev. Application now has a user hierarchy system, so that not all users can access all functions. If you log in as dev, you can not access the "New User" part of the site, if log in using credentials username: admin, password: admin, you can. Users are redirected to the homepage after login. Fixes #1, fixes #10, fixes #5