Add sortReset method callback
Prevent numerous consecutive widget applications
doc fixes
Pager: Add pageReset option. Fixes #565
core: move cached rows into normalized data; updated tests
Filter widget updated to use modified cache
Update filter formatter. Fixes #512
Filter from cache. Fixes #515
Filter: add filter_selectSource option. Fixes #328
Add select2 Filter formatter code & cleanup
Add extracting date parsers
Add reflow widget. Fixes #165
Add math widget. Fixes #136
Add output widget
Add static row widget. Fixes #120 & #472
version bump
Add note about using buttons & forms. Fixes #543