* Add remember me (with customizable time frame)

* Create generators
* Allow stretches and pepper per model
* Mailer subjects namespaced by model
* Use request_ip in session cookies
* Session timeout

* Devise::BruteForceProtection
* Devise::MagicColumns
* Devise::Invitable
* Devise::Migratable

== Done

* Devise::Authenticable
* Devise::Confirmable
* Devise::Recoverable
* Devise::Validatable
* SessionsController
* PasswordsController
* ConfirmationsController
* Create an example app
* devise :authenticable, :confirmable, :recoverable for ActiveRecord
* Allow multiple models per controller
* Add mappings
* Use sign_in and sign_out in SessionsController
* Use path_names in routes
* Store session[:return_to] in session
* Clear perishable_token in :confirmable and :recoverable
* Remove perishable token and create attributes for confirmation_token and reset_password_token
* Add confirmation_sent_at for confirmable
* Add confirmable filters
* Sign user in automatically after confirming or changing it's password