oscilloscope-like triggering options (for graphics display)

make more pop-up windows for error messages instead of using cerr

help files!

board information dialog from menu (combine with device selection popup,
and allow selection of board by board name instead of device file name)

give some visual indication of when a (block mode) plot update occurs

make it automatically switch from point-by-point plotting mode to block
mode if it is having problems with point-by-point

label vertical axis with display range

add raw binary save format that saves data exactly as it comes out of
comedi

add unconverted-to-physical-units save text file format

add xml save format

make better use of Standard Template Library

make layouts less sensitive to font size