ReadUpCode/readup — pull request #71 by DougKong (2013-10-14 21:55:09+00:00)
Title: add logic to keep each item unique.  all tags, categories and votes will be tied to that unique item.

* add logic to only have one version of an item. append new tags and categories to original version of an item.
* add logic to register an upvote for any item submitted more than once.