Graphs Draw Slowly

[MosheBerman]

There has to be a more performant way to graph all of these points, but I don't know what it is. Trying to graph more than a few points is noticeably slow in a REPL. #7 would help test in a real app on a device.

[MosheBerman]

1.1.0 Improves on this, but I haven't benchmarked, so not going to close.