Lemoncheesecake-requests

- Improve `is_Nxx` matcher descriptions (for instance `is between 200 and 299` becomes `is 2xx`)
- Improve the way the content-type hint is displayed in request & response bodies
- Fix wrong URL formatting when the `params` argument contains multivalued parameters (simply use the full URL already
computed by requests through `PreparedRequest`)
- Drop Python 3.6 support

- Fix incorrect dependencies

- Add `Logger.debug` to control whether logging is done with 'debug' or 'info' level
- Add official support for Python 3.10

- Fix possible duplicated query string parameters in logged URLs

- First release