opentheory-prime-1.81: dependencies

Dependencies for opentheory-prime-1.81

library	base (>=4.0 && <5.0) opentheory (>=1.193 && <1.198) opentheory-divides (>=1.53 && <1.58) opentheory-primitive (>=1.5 && <2.0) opentheory-stream (>=1.42 && <1.45) QuickCheck (>=2.4.0.1 && <3.0)