add fmv to snapshot and ws models and add new feeds (massive-com#539)

Update base.py (massive-com#529)

clean up old code that prevented massive-com#525 from working, fixes massive-com#528

Update http status codes to retry request on (massive-com#527)

* Update http status codes to retry request on

* Fix lint check

Added last_updated to get_summaries (massive-com#526)

Swap signal/histogram to align correctly (massive-com#520)

Update ws example value (massive-com#489)

Add currency to dividends (massive-com#495)

Update urllib3 release channel (massive-com#487)

Fix parameter naming and add missing parameters in list_universal_sna…

…pshots (massive-com#485)

* Fix parameter naming and add missing parameters in list_universal_snapshots

Bump mypy from 1.0.1 to 1.4.1 (massive-com#479)

Bumps [mypy](https://github.com/python/mypy) from 1.0.1 to 1.4.1.
- [Commits](python/mypy@v1.0.1...v1.4.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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