Option Type: replace pattern matching by the corresponding syntaxic sugar
Refactor error management in API part
Refactor error management in API part
Unit Tests
It's probably better to do a PR so that I can check that the test is correct. If you're done writing tests for now, don't wait to make a PR. If you're writing a series of tests for a bunch of functions in the same module, make a single PR for them.
Make on-boarding easier
Not sure the [web]
section will actually be ignored, because serde is quite strict on config file syntax. Have to test.