Add README, LICENSE, and CHANGELOG. Version bump.
Improve debugging granularity
* Set `HUBOT_DO_DEBUG=true` to see debugging information in your logs
* Set `HUBOT_DO_DEBUG_VERBOSITY=3` to see full Faye transport text
Utilize `/presence` endpoint
Preven loop during refresh token acquisition
Vesion bump to 0.1.0
Add `HUBOT_DO_API_ROOT` environment variable
Allows you to run Hubot against an arbitrary Do server.
Extend client instance with proper roles at runtime
Fix HubotResponder role and add a debug method
Seperate Credentials and Roles from Client.