free-4.2: dependencies

Dependencies for free-4.2

library	base (>=4 && <5) bifunctors (>=4 && <5) comonad (>=4 && <5) distributive (>=0.2.1) mtl (>=2.0.1.0 && <2.2) profunctors (>=4 && <5) semigroupoids (>=4 && <5) semigroups (>=0.8.3.1 && <1) transformers (>=0.2.0 && <0.4)