Updated foxpress module

This PR updates the Foxpress Wordpress module.

Verification:
![11](https://cloud.githubusercontent.com/assets/105281/3726624/43102eb0-1695-11e4-8b0d-cf28f63c1637.png)

Vulnerable Version download:
http://downloads.wordpress.org/plugin/foxypress.0.4.2.1.zip

Pinging @jvazquez-r7 for this PR. This needs to be merged because of the uris.rb change, so I can continue on the other wordpress plugins. THX!