Numerapi

- tests: start testing the cli interface
- cli: fix `version` command on Python2.7
- added `liveAuroc` and `validationAuroc` to `get_leaderboard`
- added `liveAuroc` and `validationAuroc` to `get_staking_leaderboard`
- added `liveAuroc` and `validationAuroc` to `get_user_activities`
- added `validationAuroc` to `submission_status`
- added `ruleset` to `get_competitions`
- added `phoneNumber` and `country` to `get_user`
- remove consistency check from `test_check_submission_successful`

- remove total payments from leaderboard query (13)
- fix `get_staking_leaderboard`

- `get_tournaments` now allows to filter for active tournaments only
- CLI: `tournaments` gained `active_only` / `all` flags to get all or only
the active tournaments

- remove timeout completely to fix upload issues

- increase default timeout to 20s
- better error handling

- `get_staking_cutoff` now gets the cutoff values via the api, instead of
doing it's own computation
- compatibility with `click` version >= 7.0