docs: def events(self, all_instances=None, instance_ids=None, filters=None):
          """a list of tuples containing instance Id's and event information"""
          params = {}
          if filters:
              params["filters"] = make_filters(filters)
          if instance_ids:
              params['InstanceIds'] = instance_ids
          statuses = self.status(all_instances, **params)
          event_list = []
          for status in statuses:
              if status.get("Events"):
                  for event in status.get("Events"):
                      event[u"InstanceId"] = status.get('InstanceId')
                      event_list.append(event)
          return event_list