Dependencies for hkd-0.2

Libraries

base (>=4.6 && <4.18)
some (>=1.0.0.3 && <1.1)
if !impl(ghc>=7.10)
- transformers (>=0.3 && <0.6)
if !impl(ghc>=8.0)
- semigroups (>=0.18.5 && <1)
if !impl(ghc>=7.8)
- tagged (>=0.8.5 && <1)