Flole

Isn't the point to show, that they can be started and stopped on demand? I think an example to control the busy_bar with a "Start" and "stop" button is more...

I'm not sure "where" to add it, but it could look like this: `addMemoryFont(std::string name, void* fontdata, size_t fontlength)` The fontdata pointer could also be made a shared char pointer...