##
11.19.1 Cookie Objects

`value_decode`(val)
  Return a decoded value from a string representation. Return value can be any type. This method does nothing in `BaseCookie` -- it exists so it can be overridden.

`value_encode`(val)
  Return an encoded value. val can be any type, but return value must be a string. This method does nothing in `BaseCookie` -- it exists so it can be overridden

  In general, it should be the case that `value_encode()` and `value_decode()` are inverses on the range of value_decode.

`output`([attrs[, header[, sep]]])
  Return a string representation suitable to be sent as HTTP headers. attrs and header are sent to each `Morsel`'s `output()` method. sep is used to join the headers together, and is by default a newline.

`js_output`([attrs])
  Return an embeddable JavaScript snippet, which, if run on a browser which supports JavaScript, will act the same as if the HTTP headers was sent.

  The meaning for attrs is the same as in `output()`.

`load`(rawdata)
  If rawdata is a string, parse it as an `HTTP_COOKIE` and add the values found there as `Morsel`s. If it is a dictionary, it is equivalent to:

        for k, v in rawdata.items():
            cookie[k] = v