Merge branch 'release-1.3.7' into develop

* release-1.3.7:
  Bumping version to 1.3.7
Update changelog with new features
Update changelog
Bumping version to 1.3.8
Merge branch 'release-1.3.8'

* release-1.3.8:
  Bumping version to 1.3.8
  Update changelog
  Update changelog with new features