to 349.870, inclusive.  The faith of the State is hereby pledged that NRS 349.700 to 349.870, inclusive, will not be repealed, amended or modified to impair any outstanding bonds or any revenues pledged to their payment or to limit or alter the rights or powers vested in the Director to fulfill the terms of any agreements made with the holders of any bonds issued or in any way to impair the rights or remedies of the holders until all bonds have been paid in full or provisions for their payment and redemption have been fully made.