I have v 1.5.5D we will be upgrading to 1.5.6 soon. what I want to do is change shipping weights on items in bulk for different product types, will this mod able me to do that? Also, I see that a lot of people are saying that the new version doesn't work right, so I should download EasyPopulate V4 - Version: 4.0.36.ZC is this correct?Thank you =)