Updates and Fixes

• The data argument of the groupHeader callback is now passed an array of all data included in that group, including child rows when using nested groups
• Fixed console error when redrawing the table with the dataTree option enabled
• If a table is destroyed, any outstanding ajax request responses are ignored
• Fixed function mapping issue on jQuery wrapper
• The placeholder element is now visible on empty tables with no fixed height
• The history module undo and redo actions for row movement, now move the row to the correct position
• The history module undo and redo actions for row movement, now correctly redraw the table after the action is performed
• The groupClick and groupDblClick events are now correctly triggered when the groupToggleElement option is set to header and the group header element is clicked
• Fixed visual corruption when using frozen columns and the materialize theme
• Fixed visual corruption when using frozen columns and the semantic-ui theme
• Fixed regression in onRendered function passed into formatters, it is now correctly called after a cell has been added to the DOM
• Fixed regression in cell height calculation for basic vertical renderer
• Row indentation now works correctly when using the dataTree option with the dataTreeBranchElement option set to false