----------------
- Allow cache regions to inherit URL configuration from main cache options.
- Respect a ``cookie_on_exception`` configuration value passed to the
``BeakerSessionFactoryConfig`` constructor. If this value is passed and
it's not false, session cookies will be set even on responses resulting
from an exception.
- Update to new relationship between ``new_csrf_token`` and
``get_csrf_token`` as described in Pyramid 1.0a9 interfaces.