def mdel(keys)
      validate_key_array(keys)

      encapsulate_error do
        GitHub::SQL.run(<<-SQL, :keys => keys, :connection => connection)
          DELETE FROM key_values WHERE `key` IN :keys
        SQL
      end

      nil
    end
def mdel(keys)
      validate_key_array(keys)

      encapsulate_error do
        GitHub::SQL.run(<<-SQL, :keys => keys, :connection => connection)
          DELETE FROM key_values WHERE `key` IN :keys
        SQL
      end

      nil
    end
mdel :: String -> nil

 Deletes the specified keys. Returns nil. Raises on error.

 Example:

   kv.mdel(["foo", "octocat"])
     # => nil