Fix DataStoreCollection.AddRange (oldIndex should be the items count)
Fix DataStoreCollection.AddRange (oldIndex should be the items count)

bbqchickenrobot/Eto-1,PowerOfCode/Eto,bbqchickenrobot/Eto-1,l8s/Eto,PowerOfCode/Eto,bbqchickenrobot/Eto-1,PowerOfCode/Eto,l8s/Eto,l8s/Eto