Include submodule repositories for C++ libraries
Update build
Fix path
Update to tagged versions
Start working on new architecture
Initial OpenGL bindings
Working on event model
Add WindowEvent
Working toward render timing
GL fix
Slight refactor
Seperate out GL classes
Add an SDL timer
Begin work on HTML5
Some refactoring
Refactor
Fix Windows build
Fix Windows, minor refactor
Fix HTML5 stats, minor fixes
Update CI script