Version 0.3
-----------
* Event system ("pitch 0.5 for 30 seconds" )
* Command to show nav data in SDL window (needs event system to work)
* Joystick control (more events)
* Wiimote control (?)

Version 0.4
-----------
* Video
* USERBOX:userbox_cmd API

Version 5
-----------
* Error message formatting in REPL
* Facial Recognition with Image::ObjectDetect
