Docs/cleanups
Fix SetMember overlaps for Lift
Strict State Effect matches Lazy State Monad interface.
Lazy State Effect
Strict Reader and Writer, and tests.
Travis
Fixed Travis
Fixed Travis
https://github.com/RobotGymnast/extensible-effects/issues/2
Merge branch 'master' of git://github.com/RobotGymnast/extensible-effects into wowus/master