code: def applications(self):
          
          url = self._url + "/applications"
          params = {"f" : "json"}
          res = self._get(url=url,
                             param_dict=params,
                             proxy_url=self._proxy_url,
                             proxy_port=self._proxy_port)
          items = []
          if "applications" in res.keys():
              for apps in res['applications']:
                  items.append(
                      self.Application(url="%s/%s" % (self._url, apps['username']),
                                       securityHandler=self._securityHandler,
                                       proxy_url=self._proxy_url,
                                       proxy_port=self._proxy_port)
                  )
          return items
docs: returns all the group applications to join