FULLPIPE: Proper implementation of FullpipeEngine::stopAllSoundInstances()
FULLPIPE: Implement StaticANIObject::calcStepLen()
FULLPIPE: Implement ModalSaveGame::ModalSaveGame()
FULLPIPE: Implement ModalSaveGame destructor
FULLPIPE: Implement ModalSaveGame::getSaveName()
FULLPIPE: More code to ModalSaveGame