add graph equivalence (no isomorphism allowed)
tree27814657fde42d5045f65f9d1571f5610b21aaf0
-rw-r--r-- 29 .gitignore
-rw-r--r-- 750 LICENSE
-rw-r--r-- 1600 README
-rw-r--r-- 35 bld.proj
-rw-r--r-- 27945 quiver.myr
drwxr-xr-x - test