adding syntactic sugar for lifting a State[A,B] to Free[a[State[A,a]],B]
adding syntactic sugar for lifting a Kleisli[A,B] to Free[a[Kleisli[A,a]],B]
following scalaz contributor guildelines for implicit param names
Merge pull request #777 from vmarquez/liftF_extensions

LiftF methods for StateT and Kleisli to make life easier