QUnit refactor

This patch release refactors QUnit for code clarity and reuse. No bugs have been fixed; no features have been added; the performance differential might be entirely negligible. However, the improvement in source code is authoritative.

Full Changelog: vm6502q.v9.9.6...vm6502q.v9.9.7

sha1sum results:
d23b9a4baacb67dbcd798640fa3932bf676789a9 libqrack-macosx_14_0_arm64.zip
353f36459841516fa67b0a2363b22ace82816ef2 libqrack-manylinux2014_x86_64.zip
ada749dc83ab4eb195066b84c1e33f6f7129eaaf libqrack-manylinux_2_35_x86_64.zip
5c501223e7c12a479d61606cf89e988a1d5d3c6c libqrack-manylinux_2_39_x86_64.zip
061d1077293602adc4ecec4ed1bbb314cdb2be62 libqrack-win-amd64.zip