To dos

Change so columns in import script aren't numbers (use 'type', 'item1', 'item2')

Add rule that checks if any items numbers/ranks are above a certain amount

Change error codes to tell where the error is in the csv

Add a portion that adds in the singletons. Add in all constituent items in homo and hetero bundles. So output will be original output plus a number of singletons that are contained in bundles. -- one more thing to add to this. The options need to come in rank order, from highest ranked to lowest ranked