I have put a snapshot. From the ChangeLog:
- Added the constraints of type teacher(s)/students (set) pair of mutually exclusive time slots (suggested by NYC FET, igorsch, and maybe other users in the past).
The usual link:
https://lalescu.ro/liviu/fet/download/test/
Please test (if you use this feature) and let me know.
I found some critical bugs, and I just put a new snapshot.
(the bugged version saved the new constraints in a wrong way.)
I found some other critical bugs, and I just put a new version. Please test again.