``pyramid_who`` TODOs
=====================

- [X] Implement :class:`pyramid.interfaces.IAuthenticationPolicy` using
      the :mod:`repoze.who` 2.0 API.

- [X] Implement a custom ZCML directive which configures the policy.

- [X] Document configuring the policy via imperative Python.

- [X] Document configuring the policy via ZCML.
