'If true, then we have more bytes to read.'

@property
def has_next(self):

    if hasattr(self, '_m_has_next'):
        return (self._m_has_next if hasattr(self, '_m_has_next') else None)
    self._m_has_next = ((self.b & 128) != 0)
    return (self._m_has_next if hasattr(self, '_m_has_next') else None)
