Added 'enumeration_routines.f90' to the repo. This will hold all the 'helper' routines like 'derivative_structure_generator' does right now. Eventually, I'd like to move most from the latter to the former.
Added 'enumeration_routines.f90' to the repo. This will hold all the 'helper' routines like 'derivative_structure_generator' does right now. Eventually, I'd like to move most from the latter to the former.

msg-byu/enumlib,wsmorgan/enumlib