In order of importance.

Finish configure
Add disscussion of Octave, m-files and data to README.
Update man page.
Test out a build / Makefile /configure system.


On hold:
Dynamically re-reading file for update.
Think about options for colors, file type.
Handle stdin fd=0.
Make a row/column widget.

Make it more like XPlot?:
  - Read other types of data.
  - Present a window of choices of signals.