Optimize and also add completion for Erlang modules
Add Enum.unzip/1

Added the `Enum.unzip/1` function like described in #2935.
Merge pull request #2941 from whatyouhide/enum-unzip

Add Enum.unzip/1
Improve loadconfig docs
require otp 17.3 to pass on travis
Merge pull request #2949 from jw2013/travis

Update .travis.yml
Merge branch 'master' of https://github.com/elixir-lang/elixir