* Adds a final vertical column line at the end of the last header in TableView
* Added clear line as first step in RenderRow
* Added TableStyle.EnforceMaxWidthOnLastColumn
* Added Scenario toggle setting and tests
* Fixed EnforceMaxWidthOnLastColumn when Bounds match exactly the last column width
* Fixed whitespace and comment on ColumntoRender.Width
* Renamed EnforceMaxWidthOnLastColumn to ExpandLastColumn