code: def render_asset(self, name):
          
          result = ""
          if self.has_asset(name):
              asset = self.get_asset(name)
              if asset.files:
                  for f in asset.files:
                      result += f.render_include() + "\r\n"
          return result
docs: Render all includes in asset by names
  
          :type name: str|unicode
          :rtype: str|unicode