code: def from_id(cls, _id, language=DEFAULT_LANG):
          
          db_file = DBVuln.get_file_for_id(_id, language=language)
          data = DBVuln.load_from_json(db_file, language=language)
          return cls(**data)
docs: This is an alternative "constructor" for the DBVuln class which searches
          the db directory to find the right file for the provided _id