Fixed "BytePtr -" so it works for both cases: subtracting a BytePtr to return an Int, and subtracting an Int to return a BytePtr.
Fixed "BytePtr -" so it works for both cases: subtracting a BytePtr to return an Int, and subtracting an Int to return a BytePtr.

stevefolta/trylon,stevefolta/trylon,stevefolta/trylon,stevefolta/trylon,stevefolta/trylon