code: func (client *Client) CreateComment(handle, message string) (*Comment, error) {
  	var out reqComment
  	comment := Comment{Message: String(message)}
  	if len(handle) > 0 {
  		comment.Handle = String(handle)
  	}
  	if err := client.doJsonRequest("POST", "/v1/comments", &comment, &out); err != nil {
  		return nil, err
  	}
  	return out.Comment, nil
  }
docs: // CreateComment adds a new comment to the system.