Cache newly rendered cells on horizontal scrolling as jQuery objects.
Cache newly rendered cells on horizontal scrolling as jQuery objects.

* These were being added as DOM nodes and causing errors on cell selection.
* The issue occurred with 40+ columns on my 1920 width screen.

EvNaverniouk/doby-grid,EvNaverniouk/doby-grid,globexdesigns/doby-grid,globexdesigns/doby-grid