code: func (cli *Client) ImageHistory(ctx context.Context, imageID string) ([]image.HistoryResponseItem, error) {
  	var history []image.HistoryResponseItem
  	serverResp, err := cli.get(ctx, "/images/"+imageID+"/history", url.Values{}, nil)
  	defer ensureReaderClosed(serverResp)
  	if err != nil {
  		return history, err
  	}
  
  	err = json.NewDecoder(serverResp.body).Decode(&history)
  	return history, err
  }
docs: // ImageHistory returns the changes in an image in history format.