More Revisions to My Milling

I am going to revise my plan to 3 in/min feed rate, which is just a command line parameter change, and add a new parameter, mill overlap factor, which controls how much of the mill diameter I move on each pass.  Right now it is hard coded at 33%.  I am making this a parameter so that I can reduce to 25%.  My goal is to make this so foolproof that I can start it up and feel safe with it unattended.