mozilla/kuma — pull request #460 by darkwing (2012-07-27 16:37:57+00:00)
Title: Adding more slug validation

This is an enhanced PR 444.

So what I have here is:

1. Loads more unit tests for every scenario we've encountered so far with slugs.
2. I've disallowed spaces in slugs
3. Revisions weren't being scrubbed for slashes or "?", so I added that in too.