MF4 reader updates #962

Job	Run time
Packaging	15s
static-code-analysis	25s
format	15s
docs	39s
test (ubuntu-latest, false, 3.8)	2m 50s
test (ubuntu-latest, false, 3.9)	2m 44s
test (ubuntu-latest, false, 3.10)	3m 23s
test (ubuntu-latest, false, 3.11)	2m 48s
test (ubuntu-latest, false, 3.12)	3m 3s
test (ubuntu-latest, false, 3.13)	3m 59s
test (ubuntu-latest, false, pypy-3.9)	6h 0m 13s
test (ubuntu-latest, false, pypy-3.10)	3m 22s
test (macos-latest, false, 3.8)	4m 2s
test (macos-latest, false, 3.9)	1m 24s
test (macos-latest, false, 3.10)	1m 21s
test (macos-latest, false, 3.11)	1m 42s
test (macos-latest, false, 3.12)	1m 31s
test (macos-latest, false, 3.13)	1m 40s
test (macos-latest, false, pypy-3.9)	2m 45s
test (macos-latest, false, pypy-3.10)	2m 40s
test (windows-latest, false, 3.8)	2m 34s
test (windows-latest, false, 3.9)	2m 12s
test (windows-latest, false, 3.10)	2m 7s
test (windows-latest, false, 3.11)	2m 11s
test (windows-latest, false, 3.12)	2m 42s
test (windows-latest, false, 3.13)	3m 50s
test (windows-latest, false, pypy-3.9)	6m 45s
test (windows-latest, false, pypy-3.10)	6m 51s
Release to PyPi	0s
coveralls	0s
	7h 10m 13s

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