Enable inverting dimension filtering. This is key for storing useful views, since sometimes you can't enumerate all the dimension values you want, but you want to filter out a few values you don't want.
Add "Invert" checkbox to dimension filter UI
Add some CSS to manage the search box / invert checkbox
Pass the ! character to the cubes slicer server in a roundabout way
Store/retrieve the inverted property in serialization and a javascript data-invert property
Enable inverting dimension filtering. This is key for storing useful views, since sometimes you can't enumerate all the dimension values you want, but you want to filter out a few values you don't want.