2.48.0 * Return error if connector does not implement (Amir Jafarian) * kvao: return 404 when expiring unknown key (Miroslav Bajtoš) * Update doc for `validatesFormatOf` (Amir Jafarian) * Implement KeyValue API and memory connector (Miroslav Bajtoš) * Fix test case typo (Amir Jafarian) * Remove unused variables in model.js (Amir Jafarian) * Add test for updateOrCreate (Amir Jafarian) * Declare `definition` (Amir Jafarian) * Add test to catch invalid date property (Supasate Choochaisri)