Public Deposits; Adding credit unions to a list of financial institutions that are eligible to be qualified public depositories; authorizing the Chief Financial Officer to limit the amount of public deposits a credit union may hold; specifying the losses against which certain solvent banks, savings banks, savings associations, and credit unions must guarantee public depositors; requiring the Chief Financial Officer to segregate and separately account for proceeds, assessments, and administrative penalties attributable to a credit union from those attributable to other specified financial institutions, etc.