The sections of this article, and the provisions and parts of said sections, are severable, and it is the intention to enact the whole or any part of the powers provided for in this article, and, if any of said sections, or the provisions or parts of any said sections, or the application thereof to any person or circumstance, are for any reason held unconstitutional or invalid, it is the intention that the remaining sections of this article, and the remaining provisions or parts of any said sections, shall remain in full force and effect.