First pass at porting to sdl2
Compile chains now work
Finished the compiler chaining feature and have ensured that attached
shaders are detached if compile fails.
Updated examples to have (stop-demo) I have also experimented with
case-events a bit. expand-handler2 was one of the experiments, though a
failed one
SDL2 port is much further along now.
I think we are at a working state.