Changed print report to use format_date
Changed print report to use format_date

Otherwise, Ledger was unable to parse what it had printed.

paulbdavis/ledger,paulbdavis/ledger,jwakely/ledger,duncanmortimer/ledger,afh/ledger,ledger/ledger,duncanmortimer/ledger,duncanmortimer/ledger,duncanmortimer/ledger,paulbdavis/ledger,afh/ledger,paulbdavis/ledger,duncanmortimer/ledger,jwakely/ledger,paulbdavis/ledger,ledger/ledger,afh/ledger,afh/ledger,duncanmortimer/ledger,jwakely/ledger,jwakely/ledger,paulbdavis/ledger,ledger/ledger,jwakely/ledger,paulbdavis/ledger,jwakely/ledger,ledger/ledger,afh/ledger,jwakely/ledger,duncanmortimer/ledger,ledger/ledger