- Replace `response_datetime` with `last_updated` in `ServiceMeta`
- Remove extra node from diagnostic propositions
- Created versioned data files
- Add url to openapi contact info
- Remove duplicate descriptors from response
- Always enable `Try it out` param in FastAPI
- Use hashed digests for arbitrary ID values instead of incremental numbering (eg for Propositions and some Documents)
- Updated CLI option names + added option to load single CDM file
- Refactor tests to improve runtime