Modified spawn_sync to include the spawning code, thus simplifying it's usage.
Modified spawn_sync to use actual time for failsafes.
A couple of sensibility tweaks for the wireless controller.
Cleaned up devices.dm to use new spawn_sync code.
Suggestions courtesy of @mwerezak
Added a changelog
Documentation, documentation, documentation.
Safety checks.
Reshuffled some code.
Modified wifi senders and receivers to both use var/id, instead of two different vars for basically the same purpose.
