first 1.3 commit

test workflow must install package to be tested

revert to dynamic build, heed cython GIL warning

1.0 release candidate

actually skip musllinux

bump version number

Merge pull request #13 from camillescott/patch-1

FIx typos

correct path for release download

May as well release to pipy, I suppose.

Adds a tag so that we can put this on PyPI.