BBC-News/alephant — pull request #22 by samfrench (2014-01-28 09:44:21+00:00)
Title: Symbolise JSON keys

Symbolise hash keys to save space and improve speed... (not tested...)

![symbol_keys_image](http://i.picasion.com/pic56/3d68a0629e0ffa1378e5cdc9553b0727.gif)