corrected spelling errors

added menu configuration file cad_pop.mnu

search cad_pop.mnu/hid in %home%, then in program directory

unlock open executables on unmount on error code 108

open *.cat/*.ir/*.ttf files still prevent unmount

added option to provide menu functionality even when

cadh.sys is not loaded: "CAD_POP.EXE /NoCadH"

split wpi in two packages, driver directory fixed, app directory selectable

added resource manager support to cadh.sys

restore switch list entry when program exits.