Feature Request: Zoom on current node.

[guysrd]

Currently, the plugin shows the whole graph.
It would be great to have the ability to auto-zoom on the current node we're looking at.

f.e given the following graph:

Auto-Zooming in here:

[tmr232]

This sounds like a cool idea, but I don't have a good "this is how I want this to work" concept in my head, so might take a while before I attempts this.