docs: def nested_insert(self, item_list):
          """ Create a series of nested LIVVDicts given a list """
          if len(item_list) == 1:
              self[item_list[0]] = LIVVDict()
          elif len(item_list) > 1:
              if item_list[0] not in self:
                  self[item_list[0]] = LIVVDict()
              self[item_list[0]].nested_insert(item_list[1:])