1.3.0: NDS Extraction

This release adds NDS ROM support while not significantly altering the usage. Now tools can extract and NDS and 3DS ROMs without altering anything but the file extension.

NDS extraction uses my own code which runs much faster than ndstool. How much faster will likely depend on how beefy your computer is. On my laptop, it runs about 10x faster. Ndstool is still used for building both because I haven't implemented building, but also ndstool runs pretty quickly for building, so I don't think it's worth writing it myself.