0.7 was tagged without any breaking changes - should be 0.6.x

[aplavin]

0.7 was bumped in #317, motivated as

Set version to 0.7, since bumping Julia version requires minor version bump.

But I don't think this is actually the case. Both common sense (bumping julia version compat is non-breaking for package users) and ColPrac:

Changing Julia version compatibility must be a non-breaking feature.
It cannot alone be breaking, since Julia versions that are now unsupported will just never see this newer package release.
If the package is pre-1.0, minor releases count as breaking. Therefore, tag the release as a patch release

agree that it's non-breaking.