Any county having a population of less than 5,000 inhabitants is authorized to issue bonds for the purpose of paying claims against such county, which were incurred on or before January 1, 1964 for any purpose or purposes for which the county is obligated to pay or provide funds to pay. Such bonds may be issued in an amount, including existing indebtedness, in excess of any statutory limitation as to debt, but not to exceed the constitutional debt limitation, without submitting the proposition of issuing the bonds or the levying of a tax to pay the same to the voters of said county.