Check that var set declarations have a finite element type. Fixes #46.
Check that var set declarations have a finite element type. Fixes #46.

jjdekker/libminizinc,jjdekker/libminizinc,nathanielbaxter/libminizinc,jjdekker/libminizinc,nathanielbaxter/libminizinc,nathanielbaxter/libminizinc,nathanielbaxter/libminizinc,jjdekker/libminizinc