dictionary/hash_dict: implement Sequence
queue/standard: implement Sequence
stack/simple: implement Sequence
dictionary/standard: fix reduce
dictionary/standard: implement Sequence
dictionary/balanced_tree: implement Sequence
set/balanced_tree: implement Sequence
set/standard: implement Sequence
data: drop Enumerable support for all datastructures
dictionary: drop Dict behaviour
data: unify member?/2 and contains?/2
seq: make private some functions that should have been
seq: fix some missing Data.seq calls
reducible: drop Foldable in favor of Reducible