Pytfsclient

Add non public functions to get project groups, teams, etc. without using of Graph API.

fix 21 Issue

What's Changed
* Sync Master with Dev by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/22

**Full Changelog**: https://github.com/TopTuK/PyTfsClient/compare/pytfsclient-1.3.6...pytfsclient-1.7.0

Add get workitem updates function to Workitem client. Published new release to PyPi.

What's Changed
* Sync Master with Dev by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/17
* Sync Master with Dev by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/18


**Full Changelog**: https://github.com/TopTuK/PyTfsClient/compare/pytfsclient_1.3.5...pytfsclient_1.4.0

Fixed small bug with mention client. Improved comments.

What's Changed
* Sync master with dev by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/20
**Full Changelog**: https://github.com/TopTuK/PyTfsClient/compare/pytfsclient-1.3.5...pytfsclient-1.3.6

What's Changed
* Small fixes by Serjdud in https://github.com/TopTuK/PyTfsClient/pull/1
* Api url fix by Serjdud in https://github.com/TopTuK/PyTfsClient/pull/2
* Add mention client and project client implementation by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/3
* Implement ProjectCLient functions by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/4
* Workitemsclient implementation by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/5
* Add http client tests by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/6
* Sync Master with Dev by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/7
* Sync Master with Dev by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/9
* Sync Master with Dev 1 by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/10
* Sync Master with Dev 2 by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/11
* Fix action bugs by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/12
* Sync Master with Dev by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/13
* Sync Master with Dev by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/14
* Sync Master with Dev by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/15
* Sync Master with Dev by TopTuK in https://github.com/TopTuK/PyTfsClient/pull/16

New Contributors
* Serjdud made their first contribution in https://github.com/TopTuK/PyTfsClient/pull/1
* TopTuK made their first contribution in https://github.com/TopTuK/PyTfsClient/pull/3

**Full Changelog**: https://github.com/TopTuK/PyTfsClient/compare/pytfsclient_0.9.4...pytfsclient_1.3.5

**Full Changelog**: https://github.com/TopTuK/PyTfsClient/commits/pytfsclient_0.9.4

Add new function "mention_user".
Passed tests