codegangsta/martini-contrib — pull request #100 by dre1080 (2014-01-21 01:32:20+00:00)
Title: Added pretty recovery renderer.

Simple middleware to replace the default recovery middleware.
It renders an error page on panic with info like line no., file name, stack and request info.
Example error page is below.

![Error](https://f.cloud.github.com/assets/303936/1959915/70cb7092-823b-11e3-9a8e-db662d3da863.jpg)