General bug-fixes and added features:

* Fixed UI issues with Todo list in various levels.
* Sausage is now pushed downwards if it's about to leave the level upwards.
* Lowered default volume of background music on "fine sausage" level.
* Fixed issue with sausage sometimes getting torque from nowhere.
* Fixed sound effect falloff range for sausage slaps.
* Added settings menu and moved graphics settings there.
* Reduced force required to pull the drawer out of the sausage wagon.
* Modified win condition triggers on "Sausage and bun" level. Should be more consistent now.
* Modified win condition on "Fine sausage" level so that you need to keep the plate on the table for a bit longer before counting as "done".

"Free the sausage" level fixes:
* Fixed some issues with camera seeing out of bounds.
* Fixed sound doppler effect going bananas when opening vault door.
* Fixed some issues with not being able to attach balloons and bees to sausages when looking through the wall at the end of the corridor.