Refactor to go async #88

Job	Run time
Build release on ubuntu-latest	12s
Docs	17s
Linting	6s
Test examples 3.10	32s
Test examples 3.12	1m 14s
Test pyinstaller	37s
Test py39	1h 1m 43s
Test py310	1h 1m 37s
Test py311	1h 1m 39s
Test py312	1h 1m 38s
Test py313	1h 1m 39s
Publish release to Github and Pypi	1s
	5h 11m 15s

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