Revert "Don't sort before computing minimal intersection sets"
Revert "Don't sort before computing minimal intersection sets"

Since it _is_ useful.

This reverts commit b6aad4e1a48ccff193ac1baa2454ed4d76487447.

exot/conexp-clj,exot/conexp-clj,exot/conexp-clj,fcatools/conexp-clj,Lobage/conexp-clj,fcatools/conexp-clj,fcatools/conexp-clj,exot/conexp-clj,exot/conexp-clj,Lobage/conexp-clj,Lobage/conexp-clj,Lobage/conexp-clj,fcatools/conexp-clj,fcatools/conexp-clj