v0.3 2021-10-14 (France)

• Be resilient about invalid byte and replace them by Uchar.u_rep on to_utf_8_string (@dinosaure, #7)
• Upgrade the distribution with ocamlformat and dune.2.0 (@dinosaure, #11)
• Handle correctly quoted string (@lyrm, @dinosaure, #10)
• Fix escaping characters (@dinosaure, #13)