pipes-4.3.1: dependencies

Dependencies for pipes-4.3.1

library	base (>=4.4 && <4.11) exceptions (>=0.4 && <0.9) mmorph (>=1.0.4 && <1.1) mtl (>=2.2.1 && <2.3) transformers (>=0.2.0.0 && <0.6)