mypy fix, refs #601

Release 0.17

Refs #587, #590, #591

Release 0.17a0

Refs #587, #590

Release notes for 0.16

Release 0.15

Refs #515, #525, #536, #537

gpt-4-turbo model ID, closes #493

Windows readline fix, plus run CI against macOS and Windows

* Run CI on Windows and macOS as well as Ubuntu, refs #407
* Use pyreadline3 on win32
* Back to fail-fast since we have a bigger matrix now
* Mark some tests as xfail on windows

Release 0.13

Refs #325, #351, #373, #376, #394, #396, #397, #404

Closes #402

Release 0.12

Refs #323, #324

Release 0.11.2

Refs #327