void TransactionList::getTransactionsUpToDate(const Date& date, TransactionList& trl, TransactionList& returnTRL) const {


    // Recursive Version
    if (trl.size() != 0){

        Transaction aTransaction = trl.newestTransaction();

        if (aTransaction.getDate() < date || aTransaction.getDate() == date)
        {
            returnTRL.addNewTransaction(aTransaction);
        }

        trl.deleteFirstTransaction();

        getTransactionsUpToDate(date, trl, returnTRL);
    }

}