-cleaned up disc support for original wiis, for developers: to tell nintendont to load a  disc just set the game path to "di"
-fixed a small mistake in PatchFuncInterface, that will fix various bugs such as games not booting or enemies are not killable in prince of persia warrior within

git-svn-id: http://nintendon-t.googlecode.com/svn/trunk@260 6acfca08-c3de-247c-4448-9f1a92385553