0.5.3

• New Feature
  • add Invariant (@gcanti)
  • Semigroup: add getRecordSemigroup, getRecordMonoid, getMeetSemigroup, getJoinSemigroup (@gcanti)
  • Ord: add getSemigroup, fromCompare, contramap (@gcanti)
  • Option: add toUndefined method (@vegansk)
  • These: add getMonad (@gcanti)
  • Foldable: add fold (@gcanti)
  • add TaskEither (@gcanti)
  • Validation: add fromEither (@gcanti)
  • Task: add fromIO (@gcanti)
  • Either: pass value to getOrElse (@jiayihu)
  • Array: add span function (@gcanti)
• Bug Fix
  • Array: fix takeWhile, dropWhile (@gcanti)
• Documentation
  • add Moore machine example (@gcanti)
  • add MTL style example (@gcanti)
  • starting API documentation (@gcanti)
• Internal
  • fix Semigroupoid definition (@gcanti)
• Polish
  • Ordering: shorten orderingSemigroup definition (@gcanti)
  • Task: prefer {} to any, fix #231 (@OliverJAsh)
  • upgrade to prettier@1.7.0 (@gcanti)
  • These: fix fold and bimap definitions (@gcanti)
  • fix ArrayOption example (@gcanti)
  • State: remove Endomorphism type alias (@gcanti)
  • Monoidal: use liftA2 (@gcanti)