Fifth release

This release includes support for direct payload loading. Instead of using a .3dsx file, you can use /rxTools/sys/code.bin or /Cakes.dat files directly to boot. Using them is probably faster since the .3dsx file actually does the exactly same thing that I implemented now, and both are based on CakeBrah.

The code is inspired by the original code from Cpasjuste/CtrBootManager, that has a similar option.