code: def name(self, value):
          
          self._name = value
          self.slug = re.sub('[^0-9a-zA-Z_-]+', '_', str(value).lower())
          self.root = os.path.abspath(os.path.join(_cfg.get('Paths', 'HttpRoot'), self.domain.name, self.slug))
docs: Generate the Site's slug (for file paths, URL's, etc.)