Neither Sections 3-32-1 through 3-32-16 N.M. Stat. Ann., nor anything herein contained shall be construed as a restriction or limitation upon any powers which a municipality might otherwise have under any laws of this state, but shall be construed as cumulative; and Sections 3-32-1 through 3-32-16 N.M. Stat. Ann., shall not be construed as requiring an election by the voters of a municipality prior to the issuance of bonds hereunder by such municipality.