* @param filer an IItemType to match against
* @return null if nothing was moved, the stack moved otherwise
*/
public static ItemStack moveOneItem(IInventory source, IInventory dest, IStackFilter filter) {
InventoryManipulator imSource = InventoryManipulator.get(source);
return imSource.moveItem(dest, filter);
}
/**
* Attempts to move one item from a collection of inventories.
*