rope-0.6.1: dependencies

Dependencies for rope-0.6.1

library	base (>=4 && <6) bytestring (>=0.9.1.4 && <0.10) fingertree (>=0.0.1 && <0.1) mtl (>=1.1 && <1.2) utf8-string (>=0.3.5 && <0.4)