Add copy() method, to set the initial values for the new copied future shipment
Add copy() method, to set the initial values for the new copied future shipment

837278709/metro-openerp,837278709/metro-openerp,john-wang-metro/metro-openerp,john-wang-metro/metro-openerp,837278709/metro-openerp,john-wang-metro/metro-openerp