* changed model and base classes
* added model tests
* updating mocks
* better tests
* add unicode and update related names
* added sort order and tests
* more tests
* added next url tests
added is complete test
* added step tests
* switch to import_by_path
* started tour manager tests
* finished tour manager tests
* added dynamic fixture to test requirements
* added migration
* added nose log env var
* updating test references
* breaking up tests
* added serializers and depth option
* simplified tour dict generation