Changed debug category op.calc to expr.calc
Changed debug category op.calc to expr.calc

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