Overrided free function to prevent any malicious freeing.
Removed overrided free.
Merge branch 'master' of https://github.com/cogneco/ooc-kean into HEAD
Removed float array from parameter list. The float array needed for OpenGL is now in the TraceDrawer class.
Every surface now has its own tracedrawer. Removed float array from parameter list.
Fixed clear function.
Merge branch 'master' of https://github.com/cogneco/ooc-kean
Merge pull request #73 from emilwestergren/master

Cleaned code