Create SessionsController
list 8.2
list 8.3
list 8.4
list 8.7
list 8.9
list 8.10
list 8.12
list 8.13
list 8.14
Generate db/migrate/20141102081724_add_remember_token_to_users.rb
list 8.16
bundle exec rake db:migrate
list 8.18
list 8.19
list 8.20
list 8.22
list 8.23
list 8.24
Correct list 8.24