Merge pull request noamraph#20 from noamraph/bump-version-0.2.0

Bump nixsa version to 0.2.0

Failed because package finding wasn't strict enough

Change version to 0.1.3

Set version to 0.1.2

Merge pull request noamraph#6 from noamraph/sigint-ignore

Ignore SIGINT, so the subprocess can decide what to do with it.

Keep the tarball name nixsa-VERSION-PLATFORM.tar.xz