* fix db upgrade #33

* handle missing "analyses" key gracefully

specific cursors

pass name instead of collection itself as context

removed tests

deleted redundant closures

closure for sites, timestamp set to current time if parent file doesn't have timestamp, tested for cases where parents don't have timestamp

created upgrade to 29 to loop through files to check for timestamps and give the acquistion's if none exists

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Added https regex rule to avatars schema

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upgrade 29 deletes any non-https url from custom and changes the avatar to provider if it does delete