master
tidy-up: use more `static`, `sizeof()`, `char[]`, double-const
tests: change whitespace and comments in Python test code
tests: address mutable class vars and naive datetime in Python code
tests: fix cert comparison with old cryptography
scorecard: report 'rss-max'
DoH: improvements
dnsd: add support for DoH
tests: target Python 3.8 as the minimum Python version
websocket: pause writing and meta data fix