db: always add to session in Setting.create_or_update There's no use case for not adding the newly created Setting to the SQLAlchemy session (and thus, once we commit, the database). With this change, all the various "create" model methods add their result to the session.

pytest>=2.7.0,<4.0
pytest-runner
pytest-sugar>=0.7.0
pytest-catchlog
WebTest<2 # this is also a Pylons dependency and pinned in setup.py to avoid version conflicts for WebOb
mock
sphinx