Update changelog with next release version
Update package_data to pull in get/set doc examples
Bumping version to 1.2.12
Merge branch 'release-1.2.12' into develop

* release-1.2.12:
  Bumping version to 1.2.12
  Update package_data to pull in get/set doc examples
  Update changelog with next release version
Switch to contain check instead of equality check

This makes the test less sensitive to model changes.
We assume that if it gets one key in the map, it gets
them all.
Update failing test with new model changes
Verify rcs from all aws commands run in integ tests
Don't print large diffs of s3 upload/download files