def child_change_history(self, caprid):
        return self.tree_base + "child-and-parents-relationships/"\
            + caprid + "/changes"
Returns True if a persistent store with the given name exists for this app.
dataset/ETHPy150Open AmEv7Fam/familysearch-python-sdk-opensource/familysearch/changeHistory.py/ChangeHistory.child_change_history--crossover with--dataset/ETHPy150Open tethysplatform/tethys/tethys_apps/base/app_base.py/TethysAppBase.persistent_store_exists