§ 758. Severability. If any clause, sentence, paragraph, subdivision or part of this article, or the application thereof to any person or circumstance, shall be adjudged by any court of competent jurisdiction to be invalid or unconstitutional, such judgment shall not affect, impair or invalidate the remainder thereof, but shall be confined in its operation to the clause, sentence, paragraph, subdivision or part of this article, or in its application to the person or circumstance, directly involved in the controversy in which such judgment shall have been rendered.