Sort ruby_path/*.rb during require loop

The order of the files from Dir is not guaranteed, so we should sort them first. We are lucky that when the files are loaded in alphabetical order, all the requirements are met. If a.rb had a dependency on b.rb, this method would not work.
Merge pull request #1 from jordanambra/patch-1

Sort ruby_path/*.rb during require loop
Merge pull request #2 from actions/master

rebasing with master