Throw an exception if an include file doesn't exist
Throw an exception if an include file doesn't exist

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