2.30.0 * Promisify 'automigrate' (Pradnya Baviskar) * check object exists before setting __cachedRelations (ningsuhen) * Fix the test case as updateAll takes `where` directly (Raymond Feng) * Fix for issues #622 & #623 (ningsuhen) * Add new hook 'persist' (Pradnya Baviskar) * Create a script to describe operation hooks (Miroslav Bajtoš) * Allow 0 as the FK (Raymond Feng) * fix typo (Clark Wang) * Dedupe ids args of inq for include (Raymond Feng)