* Return the requested portions of current state in the query API
* Use Unique from github.com/matrix-org/util
* rewrite bulkSelectFilteredStateBlockEntries to use append for clarity
* Add test for stateKeyTupleSorter
* Replace current with a new StateEntryList rather than individually setting the fields
* Move partition offsets sql to a separate file
* Move event types sql to a separate file
* Move event state key sql to a separate file
* Move room sql to a separate file
* Move events sql to a separate file
* Move event json sql to a separate file
* Move state snapshot sql to a separate file
* Move state block sql to a separate file
Robert Swain
Mark Haines