There are 4 patch files in the zip, but the first three are minor additions and a bugfix to the existing partition class.
The large patch contains all the new classes, test cases, and additions to depends files. Test-module runs without errors or fails. These patches are also available from this branch https://github.com/gilleain/cdk/tree/group
Also, there is a post explaining a bit about the module on my blog, although I won't spam the link here.