Fix for tweaking sub-mm Z
Fix for tweaking sub-mm Z

The parsing regexp expects  a digit to start a number, but it is not the case when the value is smaller than one:
G0 F2880 X93.769 Y88.073 Z.3

Proposed fix: replace "^[-]?[0-9]+\.?[0-9]*" with "^[-]?[0-9]*\.?[0-9]*"
nallath/PostProcessingPlugin