mvc-1.1.7: dependencies

Dependencies for mvc-1.1.7

library	async (>=2.0.0 && <2.3) base (>=4 && <5) contravariant (<1.6) foldl (>=1.4) managed (<1.1) mmorph (>=1.0.2 && <1.3) pipes (>=4.1.7 && <4.4) pipes-concurrency (>=2.0.3 && <2.1) transformers (>=0.2.0.0 && <0.7) if !impl(ghc>=8.0) semigroups (>=0.18 && <0.19)