arena-0.1: dependencies

Dependencies for arena-0.1

library	base (>=4.8 && <5) bytes (>=0.14) bytestring (>=0.10.4.1) containers (>=0.5.4.0) digest (>=0.0.1.2) directory (>=1.2.5.0) filepath (>=1.2.0.0) mtl (>=2.2) persistent-vector (>=0.1.1) safe (>=0.3) semigroups (>=0.17) unix (>=2.7.1.0)