-added a security check for the EXIDMA callback value, this fixes billy hatcher memcard emulation waiting forever because of a wrong value
-did some small memcard emu patch cleanup
-added memcard patch for the japanese version of pokemon colosseum

git-svn-id: http://nintendon-t.googlecode.com/svn/trunk@170 6acfca08-c3de-247c-4448-9f1a92385553