------------------
- Upgrade to OpenTracing 2.0 API (54) <Carlos Alberto Cortez>
- Permit the injection of specific parent span (73) <CARRIERE Etienne>
- Fix `opentracing_instrumentation.client_hooks.strict_redis.reset_patches` method
- Add `response_handler_hook` to `requests` instrumentation (66) <Aliaksei Urbanski>
- Add unit test for ThreadSafeStackContext (71) <Yuri Shkuro>
- Improve testing (70) (5 months ago) <Aliaksei Urbanski>
- Add tox.ini
- Update setup.cfg
- Enable branch coverage measurement
- Update the README
- Unify tracer fixture and move it to conftest.py
- Fix some deprecation warnings
- Clean up imports
- Update supported Python versions (+3.7, -3.3) (69) <Aliaksei Urbanski>
- Fix function call in code example (67) <Charlotte Iwasaki>