Justin Symonds

Add plumbing for serial data transfer

1

Provides an interface to emulate [serial data transfer](https://gbdev.io/pandocs/Serial_Data_Transfer_(Link_Cable).html). This [PoC](https://github.com/justincredible/gameboy_emulator/tree/link-cable-poc) shows the interface is sufficient to implement a generic transfer. The functionality here could also be provided via public functions...

The example browser is crashing on all the Reduced Deformabe Body examples (except the empty Mode Visualizer). This is the output: ``` X11 functions dynamically loaded using dlopen/dlsym OK! X11...

`examples/MultiBodyBaseline` is commented out in the example browser, which might explain why it was missed in bf215a3c. https://github.com/bulletphysics/bullet3/blob/e9c461b0ace140d5c73972760781d94b7b5eee53/examples/ExampleBrowser/ExampleEntries.cpp#L227 The included file is not actually used in that example. It looks...

Fixes #4493 Thanks to @DaveH355 it was easy to `git-bisect` where the issue was introduced (31b9be8). The diff is very short so it was quick to see the misuse of...