Release of the PI-Zero may have made the RPI a more attractive option for a public-ready version of "Toybox". I've been exploring that, and the results are very promising and does away with the complicated serial library setup. More action on this front is bound to follow.

Kit Available Now for Raspberry PI (A/B)

GITHub:

https://github.com/diemastermonkey/toybox-rpi

Included is a setup guide that should get you up to a remote-controlled servo cam:

https://github.com/diemastermonkey/toybox-rpi/blob/master/toyboxrpi-setup.txt

It does require the pi-blaster package, available here:

https://github.com/sarfata/pi-blaster