Allow a class to specify a seach namespace
Allow a class to specify a seach namespace

There are a couple of transaction records whose namespace is different from the
transaction search namespace (CustomerPayment)

jeperkins4/netsuite,dropstream/netsuite,greggroth/netsuite,charitywater/netsuite,PayloadDev/netsuite,NetSweet/netsuite,sherriously/netsuite,prburke/netsuite,jheth/netsuite,nurelm/netsuite