MAINT: Allow for orders with id 0
MAINT: Allow for orders with id 0

quantopian/zipline,alphaBenj/zipline,enigmampc/catalyst,bartosh/zipline,bartosh/zipline,florentchandelier/zipline,humdings/zipline,Scapogo/zipline,alphaBenj/zipline,florentchandelier/zipline,Scapogo/zipline,quantopian/zipline,enigmampc/catalyst,humdings/zipline