haskell nds, second version
Haskell nondom sort

This is a toy.  I don't understand Haskell.  Don't use it for learning!
Cleanup in prep for library version

The globals we have to share between wfgmain.c and wfg.c are the
remaining impediment.  These need to go away, even if I just
write a function that wraps hv and takes them as parameters.
That way I can at least keep those globals contained in one
file.
compute_hypervolume wrapper

First step toward removing globals
Only check for march= sometimes