Treat RIT/XIT like split.
Be sure to disable RIT/XIT when entering split mode as well.
When changing VFOs, invalidate the IF cache.
Add support for split operations... this is pretty hacky.
Add a rigctld emulation config.
Add fork()/daemon() usage.
free() rig when closed.
free() rig when closing it.
Add cleanup function to be called at exit.