2.0.0.0

• replaced Integral instance with Fractional instance (see #8 and #14)
• added a constraint to ensure the type-level modulus is never 0
• made inv return Maybe instead of raising an error
• misc. refactoring and improvements

1.2.1.3

• fixed a name clash with GHC.TypeLits for base >= 4.11.0

1.2.1.2

• exported the / type operator with ExplicitNamespaces enabled to support GHC 8. Should be backwards compatible through GHC 7.6.

1.2.1.1

• added a basic test suite with doctests

1.2.1.0

• changed Integral implementation: quotRem now uses modular inversion!
• added inv for modular inversion
• added SomeMod data type for modular number with unknown modulus
• added modVal and someModVal helpers similar to ones in GHC.TypeLits