We first spotted Tylt at last year's CES, where it was showing off its flat cables and chargers. Since then, it has moved into several other segments of the market, including cases. Among them is Bumpr for iPhone 5 ($TBD) -- which is, thankfully, more than just a bumper. It's actually a full plastic case lined with soft rubber, with two interchangeable rubber bumpers that fit around the outer edge. It's a somewhat bulky solution when fully assembled,…