Bug fix: drilldown -> drilldowns (we use plural even though url parameter is singular)
Bug fix: Drilldowns were called using dataset-drilldowns instead of data-drilldowns.
Tests worked for dataset with from, to drilldowns since those were defaults in the treemap.
Newer version of treemap remove those default so added the newest version of the treemap
Added documentation along with images for the user interface
Updated changelog for a new release (bug fix release)