Python Probe Screen

Been working on a purely python touch and probe screen that does not alter the INI or HAL files. This supports Center of Hole, Edge detection X and Y plus and minus direction, Z touch, Boss Center location (circles, squares, rectangles), and Center of Pocket. Every touch/probe move has initial feed rate and then a second touch off at final feed rate. So far testing is going well with some minor debugging. I will soon add tool-change routines and support work fixtures as well.