v0.4.1

This release is a bugfix release for v0.4.0

What's Changed

• Fix slice bounds out of range by @fridim in #11
• Use deepcopy to avoid duplicate elements by @fridim in #12
• Print merge strategies in output by @fridim in #13
• Add version to build by @fridim in #14

Full Changelog: v0.4.0...v0.4.1