Web.pm - Make sure we only inject one Goodie result into the detail area

Fixes #97 

Before:
![image](https://cloud.githubusercontent.com/assets/873785/3857303/f58e26e0-1f01-11e4-8c01-b06074aa23d2.png)

After:
![2014-08-08_09h43_39](https://cloud.githubusercontent.com/assets/873785/3857314/07063dfe-1f02-11e4-911b-9b10f4a2bdeb.png)

cc// @jagtalon @russellholt