* Changed the Control.Applicative.Permutations module to only require
Applicative and not Monad. This module is the least restrictive and
works with parsers which are not Monads.
* Added the Control.Monad.Permutations module. This module may be
substantially more efficient for some parsers which are Monads.
* Corrected how permutation parsers intercalate effects and
components; parsing an effect requires that a component immediately
follows or else a parse error will result.
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