The interface currently specifies just the conversation ID. But the API for replying to a conversation ([in this example](https://github.com/messagebird/messagebird-nodejs/blob/master/examples/conversations.js#L44-L54)) does not include the ID. Related to #86
The interface currently specifies just the conversation ID.
But the API for replying to a conversation (in this example) does not include the ID.
Related to #86