pipes-safe-2.3.1: dependencies

Dependencies for pipes-safe-2.3.1

library	base (>=4.8 && <5) containers (>=0.3.0.0 && <0.7) exceptions (>=0.6 && <0.11) monad-control (>=1.0.0.4 && <1.1) mtl (>=2.1 && <2.3) pipes (>=4.3.0 && <4.4) primitive (>=0.6.2.0 && <0.8) transformers (>=0.2.0.0 && <0.6) transformers-base (>=0.4.4 && <0.5) if impl(ghc<8.0) fail (<4.10)