Update A records with changes, rather than overwriting them #28
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This fixes #3 - I've tested it live.
This change doesn't make it possible for clients to choose whether they should overwrite or update a record - partly because I wasn't sure what a sensible API would be, and partly to be consistent with AAAA records (where changes always trigger an update).
Do you think offering this choice is necessary (or will it just be irrelevant once #8 is fixed, and deleted nodes remove themselves)? If you do, what do you think the API should be?