Return the 'value' of all lines matching the section/key.

        Yields:
            values for matching lines.

def get(self, section, key):
        """Return the 'value' of all lines matching the section/key.

        Yields:
            values for matching lines.
        """
        line = self._make_line(key)
        for line in self.get_line(section, line):
            yield line.value