Log Message:
py-responses: updated to 0.10.11

0.10.11
- Fixed invalid README formatted.
- Fixed string formatting in error message.

0.10.10
- Added Python 3.8 support
- Remove Python 3.4 from test suite matrix.
- The `response.request` object now has a `params` attribute that contains the \ 
query string parameters from the request that was captured.
- `add_passthru` now supports `re` pattern objects to match URLs.
- ConnectionErrors raised by responses now include more details on the request \ 
that was attempted and the mocks registered.