A developer has figured out a way to hack the sixth-generation iPod nano. Developer and hacker James Whelton has figured out a way to boot the nano with a modified files by bypassing the device’s cache comparison routines, which has allowed him to remove one of the device’s “apps” and create a blank space, something that’s possible on jailbroken iOS devices. According to his nanohack.me blog, Whelton is hoping that the…