code: func versionAtMost(version, max []int) (bool, error) {
  	if comp, err := versionCompare(version, max); err != nil {
  		return false, err
  	} else if comp == 1 {
  		return false, nil
  	}
  	return true, nil
  }
docs: // versionAtMost will return true if the provided version is less than or equal to max