Version 6
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* UAV::SDL::Video (xs) -- Use sws_getCachedContext() instead of sws_getContext()
* Error message formatting in REPL
* Facial Recognition with Image::ObjectDetect
* EasyEvent takes nav data into account ("vert_speed 1.0 until altitude == 10000cm")
* Possibly use subref in @INC to load REPL modules.  See require() perlfunc docs in 
  Perl 5.19.2.  Note that feature was implemented in 5.10 according to 5.19.2's perldelta.
* Wiimote control (?)
* bin/uav uses a Factory object to create the Driver and Control objects
* bin/uav loads a config file for loading modules by default
