CGE2: Remove unnecessary comment from ~Vga().
CGE2: Unstub movie().
CGE2: Remove unused classes from vga13h.
CGE2: Unstub showTitle().
CGE2: Unstub CommandHandler::reset().
CGE2: Hopefully fix a memory leak problem regarding Hero::_dim;
CGE2: Remove unnecessary comment from sceneUp().
CGE2: Get rid of _mode.
CGE2: Fix the intro animation.
CGE2: Implement snRoom().
CGE2: Some rework in snail
CGE2: Try a different approach regarding _dim.

Now it doesn't crash the hospital scene, but I am not entirely sure it's totally leak-free...