def insert(self, doc_or_docs, *args, **kwargs):
#tag incoming objects with the winter head revision if they don't
#already have a rev number
if isinstance(doc_or_docs, list):
for doc in doc_or_docs:
getattr(winter.objects, self.name).tag(doc)
else:
getattr(winter.objects, self.name).tag(doc_or_docs)
return Collection.insert(self, doc_or_docs, *args, **kwargs)
