Updated bundle packages
Add sessions controller and very basic steps for unit testing
Add sessions controller and very basic steps for unit testing
Make unit tests with invalid information pass
Add remember_token to User model
Implement remember_token creating as soon as new instance of User is created
Implement sign in and sign out on a form.
Sign in user right after it was signed up.
Implement sign out functionality.
Add cucumber feature for teasing signing in and signing out.
Finish sign in