* - Added support for stacking items within individual subgroups while subgroupStack is on
* - Adjusted location of visibility check to cover subgroup stacking
* - Fixing linting issues
* - Updated subgroup stacking to optionally take a 'subgroupStack' parameter of "true", which enables stacking in all subgroups
- Fixed code to meet style guidelines
- Updated documentation
Ian Oberst
9218b01b29