The provisions of this title are severable, and if any clause, sentence, paragraph, action or part of this title, or the application thereof to any person or circumstance, shall be adjudged by any court of competent jurisdiction to be invalid or unenforceable, such judgment shall not affect, impair or invalidate the remainder of this title or the application of such provision to any other person or circumstance, but shall be confined in its operation to the clause, sentence, paragraph, section or part thereof or person or circumstance directly involved in the controversy in which such judgment shall have been rendered.