Sumo-wrapper-python

- save token cache when retrieving token
- use NewAuth class in sumo_login command

- added a blob client class for uploading blobs

New auth setup for SumoClient. Supports device code flow and interactive. Can also use user provided access/refresh token.

What's Changed
* Logging levels by perolavsvendsen in https://github.com/equinor/sumo-wrapper-python/pull/62


**Full Changelog**: https://github.com/equinor/sumo-wrapper-python/compare/0.1.5...0.1.6

New thin wrapper class