fixes rule-check for S3.2 (label/name fields of pins)
Created by: jkriege2
- fixes rule-check for S3.2 to also correctly check number text size for the range 20..50mil
- plus: added improved output on errors/warnings, hinting at the allowed range
- gets check more in line with rule http://kicad-pcb.org/libraries/klc/S3.2/
Edited by Joel Guittet