v1.11 released of the PropertyGrid template. New version uploaded to Members area

Modifications include:-

* Codejock v13.2.0 compatibility added.
* Codejock v13.2.1 compatibility added.
* 'Default Display Text Lines' option added to MultiLine Item.
* New method added - 'DeleteAll'
* New method added - 'DeleteCategory'
* New method added - 'DeleteItem'
* New method added - 'SetItemDisplayLines'