* debugging now tracks cookie names, either pass-in or derived
0.0.6
* added debugtoolbar support ** there is a debugtoolbar! ** there is a private method, ``_debug_incoming``, used by the toolbar ** discriminating a session was moved into it's own method ``_discriminated_session``
0.0.5
* added a `discriminator` argument to session registry
0.0.4
* added a `namespaces` property to list registered namespaces
0.0.3
* small py3 test update * attempting to access an invalid session namespace now raises `UnregisteredSession(KeyError)` instead of `KeyError`.