exceptional/exceptional — pull request #23 by clifton (2012-02-23 18:04:56+00:00)
Title: Added ignored user agents / error types

Example usage:

`exceptional.yml`

```yaml
ignored-agents: [Google.ot, Googlebot, msnbot, ia_archiver, Slurp, Exabot, Purebot, Searchbot, bingbot, YandexBot, SiteBot, ScoutJet]
ignored-exceptions: [Memcached::ServerIsMarkedDead, Timeout::Error]
```