modified:   ab3418_libudp.c
	Removed scaling of countdown timers in get_spat; this belongs elsewhere
	(viz. in build_spat)
	Added calculation of countdown timer when in "Reduce Gap" mode: the countdown
	timer returned is not the actual time, but rather the reduced gap.
	Changed arguments of build_spat
modified:   ab3418_libudp.h
	Changed prototype of build_spat
modified:   ab3418commudp.c
	Added TCP option (though not the code)
	Created pointer array for plan_params
	Removed extra call to get_status