* 0.10 [2017-10-22]

New status codes, new headers.

Fixed typo in imATeapot, added missing toEnum.

Oh, and http20.

* 0.9.1 [2016-06-04]

New function: parseByteRanges.
Support for HTTP status 422 "Unprocessable Entity" (RFC 4918).

* 0.9 [2015-10-09]

No changelog was maintained up to version 0.9.