Jeremy Neiman

Change looks good. Can you update the documentation (`README.md`) with how to use the new functionality?

@capncrunch Regarding this and #39, I'd be happy to review a PR if you want to implement these features, but don't have time currently to work on them myself.

@MarkHershey @dummyx Great! Are you interested in working on any of the open feature requests in the [issue tracker](https://github.com/docmarionum1/slack-archive-bot/issues)? Otherwise, just happy to have some help reviewing any incoming bugs...