Made sure unitary product quantity validation is still working now that quantities are stored in ParcelItemStorings + Fixed bug where ParcelItem#population was +1'd when the product was unitary.
Made sure unitary product quantity validation is still working now that quantities are stored in ParcelItemStorings + Fixed bug where ParcelItem#population was +1'd when the product was unitary.

ekylibre/ekylibre,ekylibre/ekylibre,ekylibre/ekylibre,ekylibre/ekylibre,ekylibre/ekylibre