code: def commented(self, user):
          
          for comment in self.comments:
              # Description (comment #0) is not considered as a comment
              if comment["count"] == 0:
                  continue
              if (comment.get('author', comment.get('creator')) == user.email and
                      comment["creation_time"] >= self.options.since.date and
                      comment["creation_time"] < self.options.until.date):
                  return True
          return False
docs: True if comment was added in given time frame