1997 Updates

repsxx    970219 Modified to not list deleted reports.
prtrep    970219 Modified to not allow printing of deleted reports.
varsum    970219 Max size error corrected.
rpdel     970221 Now "deletes" reports without renumbering.
exportcd  970304 Improved to handle ASCII transfers.
vargen    970610 Corrected to allow the use of background variables
		 as alpha-numeric character strings.
facsxx    970717 "Cutoff date" field removed.
modgen    970717 Code optimization error (Fortran 2.3) corrected.
system    970717 Modified to read a seven-digit date field to ensure
		 year 2000 compliance.
all       970720 All programs recompiled for year 2000 compliance.
prtrep    970811 Corrected to handle "S" option when printing
		 multi-row DIAGRM reports.
lib_codap 970814 CODAP library routine "closer.f" modified to comply with
		 Fortran version 3 release 2 compiler.
varsum    970819 Code initialization problem corrected.
module    970820 Removed debug statement.