Merge pull request #26 from ionut-c/extra-screens

Extra screens
Update README.md
Update README.md
Update README.md
ModelObjects size is no longer tied to the sprite sheet/image
Merge branch 'master' of github.com:Darkspear7/killzakeyboard
Merge branch 'master' of https://github.com/Darkspear7/killzakeyboard into extra-screens
Merge pull request #27 from ionut-c/extra-screens

Extra screens
Changing sprites still in progress
Changes to rendering
Merge branch 'master' of github.com:Darkspear7/killzakeyboard
Merge branch 'master' of https://github.com/Darkspear7/killzakeyboard into extra-screens
Update README.md
Merge branch 'master' of https://github.com/Darkspear7/killzakeyboard into extra-screens
Code rearaging
Added tutorial