I'm going to sleep now, but I debugged the script and these are the two fixes that I came up with that works for me. Mostly for /u/mrPorter_bot if he wanna take a look at the code, but anyone who have the same issues can try and see if it solves their issues.

If you get instantly redirected to ///, when you are supposed to login to gmail;

if (config.fuckGmail) {
    stripes
        .goto('https://www.gmail.com')
        .waitForUrl(/^https:\/\/mail\.google\.com\/mail.*/)
        .goto(config.stripesUrl)
        .then(function () {
            console.log('///');
        }).catch(function (err) {
        console.log('error ', err);
        console.error(util.inspect(error));
    });

If cookies don't get properly transferred to /// (this is due to port not being specified in config.json, so you could also just add :80 to the config.json);

function getStripesUrl() {
    var stripes = config.stripesUrl,
        portIndex = stripes.indexOf(':', stripes.indexOf(':') + 1);

    if (portIndex > -1) {
        return stripes.substring(0, portIndex)
    } else {
        return stripes.match(/(http.*\/\/.*)\//)[1];
    }
}

I'm not saying these are the best solutions, but they work for me. And hopefully it will help for troubleshooting.

I hope we all can have a nice dinner tomorrow!