Aaron Straup Cope

https://github.com/sslhound/sigsink

Add a `debug` flag (or equivalent) to the config so we can log each step of a request as it is processed.

On startup, etc. See the example/problems with the way this is done in https://github.com/whosonfirst/go-whosonfirst-updated

For extracting (and dispatching) commit messages.

In `daemon.go

We need to pass this information down to consumers (like `updated`) so that they can do the right thing

For example: ``` {'pattern': None, 'type': 'message', 'channel': 'sse', 'data': '[]'} ```