Add a (I think) much improved base for an "expanding window plot"
Add a (I think) much improved base for an "expanding window plot"

Got a better handle on autoscaling, and also a way to handle missing data.

I think this will replace the DynamicScroller.py that I was working on
but I haven't cleaned it up yet.

tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem