Allow line breaks in side-by-side view to see the code without the need to scroll horizontally.

Check https://github.com/mohanapreeya/diff2html for an example.

Thank for a quick response on #97 and we do have word wrap working in default view but not in side by side view. Wordwrap view has always been challenging in side by side view but I figure I would use this time to describe the problem.

Side by side view with wordwrap is challenging because when word is wrapped in one table, that height needs to be applied to another table. For example, in below right table's words are wrapped and caused increase in row height but it cannot be easily be applied to left table as they are separate table.

Will it be easy to place them in a same table so we can easily do this without JS? I feel like this will not be a trivial change and I think this maybe not be a critical issue.