* enhance handling of strings in prettify
* handle correctly cases for '[]' and '{}' in prettify
* Fix for php 5.3
* Update composer.json

Author: Massimiliano Arione <garakkio@gmail.com>
Date:   Tue Jan 21 10:03:29 2014 +0100
Merge pull request #5 from camspiers/bee-lab

* enhance handling of strings in prettify