The fiscal years are created centered on the passed date such that if the current day change during the execution, the fiscal year is still usable. Also fiscal year can be created for a range of dates such that it is guarantee that the dates are in the fiscal year. And finally remove datetime and dateutil import when they are not used. Closes #9977
Stock Package Module #################### The stock package module allows to store packaging information about customer and supplier return shipments. Package ******* A package groups together some moves from the same shipment. The packages can be organized in a tree structure. If a package is defined on a shipment, this one could be set to *Done* only if all moves are packaged.