v3.2.1: Merge pull request #71 from oat-sa/release-3.2.1

• fix required language
• fix required return url

v3.2.0: Merge pull request #67 from oat-sa/release-3.1.1

Release 3.1.1

v3.1.0: Merge pull request #65 from oat-sa/release-3.1.0

Release 3.1.0

v3.0.0

Merge pull request #63 from oat-sa/release-3.0.0

Release 3.0.0

v2.0.0: Merge pull request #60 from oat-sa/release-2.0.0

Release 2.0.0

Version 1.11.0

Merge pull request #55 from oat-sa/release-1.11.0

Release 1.11.0

Version 1.9.0

Merge pull request #52 from oat-sa/release-1.9.0

Release 1.9.0

v1.7.1: Merge pull request #46 from oat-sa/release-1.7.1

Release 1.7.1

v1.5.2: Merge pull request #39 from oat-sa/release-1.5.2

Release 1.5.2

Version 1.5.0

Merge pull request #36 from oat-sa/release-1.5.0

Release 1.5.0