Closed
Description
In this #236 @puiterwijk fixed so that PcrSelectionLists retains its order. This PR was then modified by @ionut-arm and merged in this #243. When doing this the subtract method in the PcrSelectionList was removed and it was said it was going to be implemented again in the future.
This issue is here to remind us to re-implement the subtract functionality in some form for PcrSelectionList.