Moves a date forward 'daysInTheFuture' days.
@param {Date} The date object to operate on.
@param {Number} daysInTheFuture The number of days in the future to advance the date
@param {Boolean=} [adjustForWeekend=false] Whether or not the date should fall on a weekend day
@returns {Date} The date, adjusted the number of specified days.
@function
function advanceDays (d, daysInTheFuture, adjustForWeekend) {
                    if(!(d instanceof Date)) return d;
                    daysInTheFuture = daysInTheFuture && libs.generic.isNumeric(daysInTheFuture) ? daysInTheFuture : 1;
                    d.setTime(d.getTime() + (daysInTheFuture * 86400000));

                    if(adjustForWeekend && (d.getDay() === 0 || d.getDay() === 6)) {
                        while(d.getDay() === 0 || d.getDay() === 6) d.setTime(d.getTime() + 86400000);
                    }
                    return d;
                }