Fine tuned for optimal performance with SDL2
timing improvements
minor optimization
ignore .qmake.stash files
using Qt 5 from now on
ignore .qmake.stash files
ignore .qmake.stash files
Update .gitignore
minor optimization
minor optimizations
minor optimizations
minor optimizations, fixes some bugs
minor optimizations, fixes bug
Update README.md
deleted unused variable
version updated
Merge branch 'master' into jailbreak