increase item drop chance to 5% (cc @lemoness)
only do batch.commit() for corruptedTasks if corruption was found
BREAKING CHANGE! partySubscribe: setup subscriptions incrementally to
remove unecessary fetches. Unsubscribe from first selfQ in the
end (see notes about that bug). IIRC @SLaks recommended subscribing to
all queries in one function call (I can't remember where he said that,
maybe I'm imagining) - but this old code had at least 3 superfluous
fetches that seemed to be causing performance issues