Preview 1.2.0 CI01544

• Add Mapi Support in NonEmpty List
• Add new types: NonEmptySeq, NonEmptySet and NonEmptyMap
• Add Cont.eval / ContT.eval
• Add type alias for non-empty collections and builder for NonEmptySeq
• Add choose function to the Map and Dictionaries modules (in the Extensions namespace)
• Add zipShortest function and use that to make generic Zip safe for collections
• Add TryLast to Foldable and introduce operator tryLast
• Add tryHead and tryLast to String module (in the Extensions namespace)