* Free space is now retrieved via statvfs() for all filesystems, including the SD card.
* Updated Makefile to reflect latest libusbhsfs changes (dev branch).
* Cancel USB file transfer if something goes wrong during a NSP transfer via USB.
* Added SD card RomFS dumper.
* Further optimizations to the *WriteNcaPatch() functions.
* Change struct naming in nso.c/h (thanks @0Liam !).
* Replace fsp-usb with libusbhsfs. ( ͡° ͜ʖ ͡°)