Writes a single value to the resource specified.

        Args:
            auth: cik for authentication.
            resource: resource to write to.
            value: value to write
            options: options.

def write(self, auth, resource, value, options={}, defer=False):
        """ Writes a single value to the resource specified.

        Args:
            auth: cik for authentication.
            resource: resource to write to.
            value: value to write
            options: options.
        """
        return self._call('write', auth, [resource, value, options], defer)