Renamed <object>._trovebox to <object>._client, to match API classes.
Changed _type to a class attribute.
Refactor the smarts into the api classes.
The object classes are now simple wrappers.
Improve parameter testing, by passing foo="bar" where possible.
Skip newer album tests with APIv1
Try to put the test environment back the way we found it,
to save teardown/setup time.
Add photo list filters