docs: def update(self, **data):
          """
          Update records in the table with +data+. Often combined with `where`,
          as it acts on all records in the table unless restricted.
  
          ex)
  
          >>> Repo("foos").update(name="bar")
          UPDATE foos SET name = "bar"
          """
          data = data.items()
          update_command_arg = ", ".join("{} = ?".format(entry[0])
                                         for entry in data)
          cmd = "update {table} set {update_command_arg} {where_clause}".format(
              update_command_arg=update_command_arg,
              where_clause=self.where_clause,
              table=self.table_name).rstrip()
          Repo.db.execute(cmd, [entry[1] for entry in data] + self.where_values)