4.2

• Support for nats version 1 and base 4.8's version of Numeric.Natural. This required monomorphizing some stuff to Natural, but that is more accurate than the previous hack anyways.

4.1

• Added Euclidean domains and the field of fractions.

4.0

• Compatibility with GHC 7.8.x
• Removed keyed and representable-tries dependencies

3.0.2

• Started CHANGELOG