Allow for updating the Package Type to be CARRIER centric

As an example ‘FedEx Box-Medium’ has different sized then the ‘UPS Box-Medium’ does, so each should reflect different dimensions (LxWxH)...

Also, if a user selects a ‘FedEx Box-Medium’ the only carrier they should route for, would be FedEx, of course, since the box is a ‘FedEx Box’...

So we need to add a CARRIER field to the UNITTYPE table  (Carrier Package Type), to allow the ROUTE function to be updated to recognize the new carrier criteria…