bignose/python-semver: Personal fork from https://github.com/k-bx/python-semver @ 2.4.1

Karol Werner 24cd0a4056 Fix bug in comparision between versions with build and prerelease		9 lat temu
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semver_test.py	24cd0a4056 Fix bug in comparision between versions with build and prerelease	9 lat temu