Copies source string into the destination location.

        Parameters
        ----------
        source: string
            the string with the content to copy
        dest: string
            the s3 location

def cp_string(self, source, dest, **kwargs):
        """
        Copies source string into the destination location.

        Parameters
        ----------
        source: string
            the string with the content to copy
        dest: string
            the s3 location
        """

        assert isinstance(source, six.string_types), "source must be a string"
        assert self._is_s3(dest), "Destination must be s3 location"

        return self._put_string(source, dest, **kwargs)