Should allow Pcbnew code easier to change and Gerbview code more understandable and easier to maintain.
Code cleaning (remove dead code, add comments).
Minor other enhancements.

to Kicad from other EDA tools.

  edif2kicad        / EDIF to EEschema schematic import
    Tools with EDIF out writer:
       o OrCad
       o DataXpress
       o Viewlogic
       o IntuSoft ICAP
       o Protel nVisage
       o PADS ?
       o P-CAD ?
       o EDIF viewer (www.cimmetry.com)
       o EDIF translator (www.elgris.com/content/edif_overview.html)

  pcb123net2kicad   / converts a pcb123 netlist to Kicad default format