2.0.1

• Added sudo.views.SudoView class based view. This is now more extensible and
  should be preferred over the older sudo.views.sudo view function.
• Removed SUDO_FORM setting. It's now suggested to subclass sudo.views.SudoView
  and override form_class.
• Added SUDO_URL setting to set the url for the sudo page.

1.2.0

• Verified compatibility with python 3.5 and pypy3
• Verified compatibility with Django 1.8
• Dropped support for python 3.2
• Better support for custom User models. See #4
• Added a SudoMixin for use with class based views. #5