finAccount Business Layer object; enhanced data returned from GetLastReversedPayment

The GetLastReversedPayment function of the finAccount object has been enhanced with the following two optional parameters, originalTransactionPk and reversedTransactionPk.

These return the Pks of the last Payment Transaction Reversed and the Reversing Transaction.

Note, the original Transaction, ie originalTransactionPk, may be zero if it is a negative payment, rather than the reversal of a Payment.