Import of Wii Ultimate Unscrubber v0.3.2.

Source: https://gbatemp.net/threads/wii-ultimate-unscrubber.452110/

v0.3.2 changes
* Added support for complex partition tables (the only known game using
  it "Super Smash Bros. Brawl")
* Added support for unscrubbing ISOs with strange UPDATE padding, if the
  padding was not removed by scrubbing tools. (more info below)

v0.3.1 changes
* Added support for korean ISOs
* Added support for multi-disc games (the only known game "Dragon Quest X:
  Mezameshi Itsutsu no Shuzoku Online")

v0.3 changes
* Unscrubber now takes into account "Keep Headers" option in wiiscrubber.

v0.2 changes
* always try to unscrub, even if the ISO does not seem to be scrubbed.
* added "decrypt" switch, to decrypt the ISO instead of unscrub.