som-3.1: dependencies

Dependencies for som-3.1

library	base (>=4 && <5) base-unicode-symbols (>=0.2 && <0.3) binary (>=0.5 && <0.6) containers (>=0.4.2 && <0.4.3 \|\| >=0.5 && <0.6) grid (>=4 && <5) MonadRandom (>=0.1 && <0.2)