Just kidding. There are favicons around here.

This reverts commit 2c52fb2b4c60ffbe16a85192c2f62ddb75b428c8.
We're already refusing crawlers with robots.txt.
Fixed bug where a 500 was raised because of an absent referer.
I don't even EntryPoint.
*Properly* catch recursive requests.

I think it's right, anyway.
Debug --> False.