Updates and Fixes

• Fix issue with column group headers triggering a console error when redrawn in classic render mode
• Fixed issue with double initialization of FooterManager
• Fixed regression in last release, prevening use of the footerElement option while pagination is enabled
• Replaced use of deprecated substr functionality with slice
• Improved webpack tree shaking config to prevent removal of stylesheets
• Added new layout-refreshing internal event to allow tracking of layout process
• Fixed multiple calls of frozen columns module layout function when redrawing table
• Using a combination of fitDataFill layout mode and a frozen right column, no longer displayes an unneeded horizontal scroll bar
• The rowSelection formater will now correctly handle uses of the ctrl and shift keys when the selectableRangeMode option is set to click
• Fixed column calculation issue when groupBy, dataTree, dataTreeStartExpanded and dataTreeChildColumnCalcs options used togeather.
• The columnResized event is now only fired if the width of a column actually changes, simply clicking on the resize handle without moving will not fire the event.
• When a column is resized to fit its data by double clicking on the resize handle, the columnResized event is now triggered after the recalculation of the columns width