Merge branch 'release-1.3.9' into develop

* release-1.3.9:
  Bumping version to 1.3.9
Update tests for empty list serialization
Update changelog
Bumping version to 1.3.10
Merge branch 'release-1.3.10'

* release-1.3.10:
  Bumping version to 1.3.10
  Update changelog
  Update tests for empty list serialization