- :within selector
- jquery selectors
- test order of query result (should be compliant with querySelectorAll)
- third query param - include self
- .closest, .all, .next, .prev, .parent, .filter, .mathes etc methods - all with the same API: query(selector, [el], [incSelf], [within]).
- .all('.x', '.selector');
- use universal pseudo mapper/filter instead of separate ones.