I haven't looked at the code yet, but is there an easy way of disabling the save system, so refreshing the page resets the game?
Just in case anyone is interested, I had a look through the code and it seems the simplest way to disable the save system is to simply comment out a few lines in the story.js file.
Basically every time Squiffy updates something in the game, it calls squiffy.story.save();. You can simply comment out these lines (I think there's about 3 or four of them) with // and your game will never call the function, meaning it will always load from the start on page refresh.
If you ever want to re-enable, simply undo your additions.