Recent changes

1.0.0 - 2022-04-15

--phmdoctest option only does Python code/expected output.
Add --phmdoctest-docmod option to do both:
- Python code/expected output.
- Python interactive sessions.
Rename --phmdoctest-save option to --phmdoctest-generate.
Collect Markdown only if it has Python examples.
Runs on pytest 7, as well as 5.4.3 and 6.

0.0.3 - 2021-11-10

Initial upload to Python Package Index.