Better layout
Merge pull request #1 from Squarific/patch-1

Improve text
added back button
added a 'results' class to the code element, to clarify code examples better. Modified question 1 & 2 in the vars series to utilise this class.
Merge pull request #2 from toonvandeputte/master

added button to title screen to return to start screen.
Added .gitignore to ignore IntelliJ project files
Added History Support (#8 resolve)
Bug fix
Merge pull request #10 from MCautreels/master

History Support
Load Correct Questions Fix #11
Merge branch 'gh-pages'