Merge pull request spree#498 from spree/release/4-2-0

Bump version to 4.2.0

Bump version to 4.1.0 🎉

Bump version to 4.1.0.rc1

Bump version to 4.0.0

Bump version to 4.0.0.rc2

Merge pull request spree#464 from spark-solutions/feature/rails-6-0

Rails 6.0 and Spree 4.0 support

Bump version to 3.5.2

Version 3.5.1

Merge pull request spree#450 from spark-solutions/feature/3-5-release

3.5 release

Bump version to 3.4.2