bug fix, prepareAst was used twice and thus the hash codes if Identifiers in defuse / usedef map were not matchable on the altered hash codes.
Merge branch 'master' of https://github.com/aJanker/TypeChef
Merge branch 'master' of https://github.com/aJanker/TypeChef
Merge branch 'master' of https://github.com/aJanker/TypeChef
Merge branch 'master' of https://github.com/aJanker/TypeChef
removed ideftoif frontend for now to fix compilation problems