simple, incomplete fix for SH+fshift usable bins
capture device fshift usable bins fix
gui: sweep segments
gui: skip setData calls
gui: user-controlled plot sizes
gui: fix size change no longer required
one mode dropdown
capture device: sh+fshift usable bins still not quite correct
gui: use modified colour for sweep alternate color, not alpha
gui: don't connect sweep step curves
first cut of full ZIF sweep
removed outdated trigger call when block mode is disabled