inherits annotation; discriminator annotation; nested document directories; document cache enhancements; refactor unit-of-work persistence; mapDataToModel(s) accepts a walker function; manager mapDataToModel(s) wrapper to 'persist' each mapped document with unit-of-work; fix default repository inheritance (require was blocking); support removeBy to remove documents by criteria; support manager flushing a single document; manager findWhereIn with 'limit' on supported adapters; new bass events; clean up