@base.resource(suggestions.ForumSuggestions)
    def suggestions(self):
        return suggestions.ForumSuggestions(self)
Given a Feature from self.iterator, figure out what the ID should be.
dataset/ETHPy150Open ducksboard/libsaas/libsaas/services/uservoice/forums.py/Forum.suggestions--crossover with--dataset/ETHPy150Open daler/gffutils/gffutils/create.py/_DBCreator._id_handler