New error sounds and a louder error sound. — DreamWatcher Steam update #1050445

Negative feedback sounds have been added and another has been made louder: Bringing the wrong book to a small bookcase now makes an error sound. If you find yourself in a situation where the Agent is falling for too long and she is teleported to a safe space there is now also an error sound. The error sound for attempting to move a stack of two cubes on rails without the required strength is now louder.