'Un-Favorites the specified status object or id as the authenticating user.
Returns the un-favorited status when successful.
The twitter.Api instance must be authenticated.
Args:
id:
The id of the twitter status to unmark as a favorite.
[Optional]
status:
The twitter.Status object to unmark as a favorite.
[Optional]
include_entities:
The entities node will be omitted when set to False.
Returns:
A twitter.Status instance representing the newly-unmarked favorite.'

def DestroyFavorite(self, status=None, id=None, include_entities=True):

    url = ('%s/favorites/destroy.json' % self.base_url)
    data = {}
    if id:
        data['id'] = id
    elif status:
        data['id'] = status.id
    else:
        raise TwitterError('Specify    id    or    status')
    if (not include_entities):
        data['include_entities'] = 'false'
    json = self._FetchUrl(url, post_data=data)
    data = self._ParseAndCheckTwitter(json)
    return Status.NewFromJsonDict(data)
