Returns the complete tag record for a single tag.

        Parameters
        ----------
        tag : {Id} The tag to get.
        [params] : {Object} Parameters for the request

def find_by_id(self, tag, params={}, **options): 
        """Returns the complete tag record for a single tag.

        Parameters
        ----------
        tag : {Id} The tag to get.
        [params] : {Object} Parameters for the request
        """
        path = "/tags/%s" % (tag)
        return self.client.get(path, params, **options)