Handling HTTP 422 Unprocessable Entity status code in Channel.get. If a channel is associated with a Justin.tv account, we cannot retrieve its details through the Twitch.tv API. Instead, we return nil.
Removing rate limiting code since rate limits are not enforced when Client-ID header is sent. This also speeds up specs significantly.
Renaming coverage:local task to coverage and coverage:coveralls task to coverage:upload.
Adding note about exposing the client_id field to clients of the library.
Deleting old notes.