lmccart/p5.js — pull request #444 by GoToLoop (2014-12-02 01:38:06+00:00)
Title: Change _downKeys from Array to Object

Submited these to https://github.com/limikael/p5.js/pull/1 but @limikael had no time to analyze and commit them!
Kept `Array` & `Set` commented out so it's easier to change to any of them in the future! ^_^