4.1.0 * Ren handleUndefined to normalizeUndefinedInQuery (Raymond Feng) * Report circular or deep query objects (Raymond Feng) * Hide offending properties from the error object (Raymond Feng) * Tidy up extended operator check (Raymond Feng) * Prevent hidden/protected props from being searched (Raymond Feng) * Report errors for missing id props for include (Raymond Feng) * fix: add test coverage, correct typo that exposed (Matthew Gabeler-Lee) * fix: accelerate unique id checking (Matthew Gabeler-Lee) * remove null in embedded doc properties updates (Dimitris)