v0.4.2

What's Changed

This is a minor release hiping to restore comatibility with older libgpiod versions within 1.x series.

I also need a proper testing setup either usin gpio-sim or gpio-mockup so the testsuite running in CI can be taken more seriously.

• Issue25 issue 27 by @sombriks in #28

Full Changelog: v0.4.1...v0.4.2