Balancing update

Level 9 and 10 has received a few changes.

Level 9 was way harder than intended and has been made a little easier without hurting the gist of the level.
When I first made level 10, I intented for it to be very, very hard. It took me 1 hour and 310 deaths to be it. I thought to myself... maybe that's a bit rough innit. So I nerfed it - so much however, that it became to easy. It's now a little harder again, but hopefully not 1 hour/310 deaths-hard.