↪️ Pull Request

Allows users to catch any TC exception via tc.TamrClientException . Also, clean up imports in tamr_client/__init__.py

✔️ PR Todo

[ ] Added/updated testing for this change
[ ] Included links to related issues/PRs
[ ] Update relevant docs + docstrings
[x] Update the CHANGELOG under the current -dev version:
- Add changelog entries under any that apply: BREAKING CHANGES, NEW FEATURES, BUG FIXES.
- Changelog entry format: [#<issue number>](<link to issue>) <change description>