Nothing in sections 37-82-103 to 37-82-105 shall be construed to amend or repeal section 37-82-102; or impair, diminish, or destroy any valid appropriation of water for any beneficial use which has been made or decreed in accordance with law; or modify, amend, or affect any decree of court or the statutes limiting the time wherein appropriators must appear for determination of priorities of right for diversions from natural streams or the decisions of the courts construing the statutes.