allow -f /dev/stdin in test runner
allow -f /dev/stdin in test runner

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