Fix typo in Module.get_attribute doc
Merge pull request #1335 from mururu/fix-typo

Fix typo in Module.get_attribute doc
Simplify runcmd on IEx
Import records that depends on others, closes #1334
Require Erlang 16B+
IEx autocompletion should support identifiers that include numbers

Closes #1337
Adding Set with simple ops just for bucket (small sets)
delete from a set
I think member is a better name than value
Adding set union
Adding set intersection for buckets
Adding set difference for buckets
Adding set member? for buckets
put supports growing into a trie.
* to_list works with trie
Support expanding depth of nodes.
There is a lot of CRAZY resizing logic that is copied from HashDict. Once everything is working consider extracting.
member? for sets works with nodes
union works with nodes
delete works with nodes
nodes also don't contain duplicates
Correcting a bad merge