Status Events for PubNub Ruby SDK

If status[:category] equals just :error, please refer to server response.

Category	Description
STATUS_ACCESS_DENIED	PAM is enabled and you don't have permission to fire event that returned error. Please check your PAM settings and audit your permissions.
STATUS_TIMEOUT	Server didn't respond in given time. Please retry.
STATUS_NON_JSON_RESPONSE	Server didn't respond with valid json message. Consult server response.