Merge pull request #79 from Rovanion/levelheight

A lot of small changes all jumbled up together.
Made a 7th level with moving sawblades.
Merge branch 'master' of github.com:Rovanion/SuperHappyFunTime
Merge branch 'master' of github.com:Rovanion/SuperHappyFunTime
Changed so that the level isn't to hard in the lower left corner.
Merge branch 'master' of github.com:Rovanion/SuperHappyFunTime into level7