* add support for sortBy field selector
* use label selectors instead of field selectors
* set entity_labels on create & update
* make entity server integration tests work
* test fixes
* be more consistent with handling of empty body, meta or status
* workaround for database is locked errors during migration
* fix double import of sqlite3
* rename functions and tidy up
* refactor update
* disable integration tests until we can fix the database locking issue