* It's still occasionally bombing out under FreeBSD.
* I've had the colour of the bars go funny on me. I'm inclined to
blame this on X rather than my code. I've seen other dockapps to
* Under FreeBSD /proc seems to be updated at a low sample rate so
the bars can be a bit misleading with processes fluctuating
between 0% and 100%. It still gives a correct overall idea of
what's using CPU.
* A process that appears and disappears between samples will never
show up. I don't anticipate this ever getting fixed.