• Wow, looks great!

    If you wanted to do something fancy-looking reasonably easily you could take a look at this? http://www.espruino.com/Graphical+Web+In­terface Basically just make an SVG with Inkscape and then use that.

    I've started using template literals for HTML pages too so you can avoid the ' + ' stuff, so:

    var pag = `<html><head><style>
    td {text-align:center; vertical-align:middle; }
    // as opposed to
    var pag
    +'td {text-align:center; vertical-align:middle; }'

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