v3.2.1

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Merge pull request ansible#454 from rooftopcellist/versioning_update

Updates Versioning for 3.2.1 Release

v3.2.0

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Merge pull request ansible#388 from AlanCoding/docs_touchup

minor touchup of 3.2 history release notes

v3.1.6

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Merge pull request ansible#328 from jangsutsr/usage_compatibility_fix…

…_for_tower_modules

Usage compatibility fix for Tower modules