Merge branch 'release/0.3.1' into develop
Merge branch 'hotfix/fixes_version_deprecation' into develop
Merge branch 'hotfix/av-775-polymorphic-belongs-to' into develop
Merge branch 'hotfix/set-created-at-on-new-versions' into develop
[PR#8] A user might have an attribute that can take an array as it's value, so just checking that value is an array is not specific enough; check specifically for composite keys object
Merge branch 'develop'
Bump version