Replace < and > with entity references
Make insertion sort adaptive and stable

The traditional insertion sort should scan for the insertion point
leftwards from the right end of the sorted range. This does not improve
the asymptotic performance, but it makes insertion sort both adaptive
and stable.
Merge pull request #11 from betaveros/lt-gt-entity

Replace < and > with entity references
Merge pull request #12 from betaveros/adaptive-insertion

Make insertion sort adaptive and stable
Merge pull request #13 from betaveros/update-checked

Update VA by checkbox statuses on document ready
Update link to live version

This has been a long time coming.
Add "lights off" color scheme and tweak colors

* Allow the user to select a dark color scheme with a check box.
* Change the default 'compare' color to yellow (rgb(200,200,0)), a
  previously unused part of the color spectrum, for better contrast and
  visibility.
Color links in dark theme