hacky untyped fix for the duplicate answers problem #165
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This has no tests and isn't typed, but it might be worth merging since it seems to fix a critical bug when demoing this stuff.
I'll leave it up to you to decide.
I think I problem is described pretty well in the story:
https://www.pivotaltracker.com/story/show/177333639
The technical issue is that the host code using the the storage system is assuming that the watchAnswer callback will be called after the createOrUpdateAnswer is complete.