+1.9.8 - 6/27/2000
+ Rewrote Array2dFile class to be non-templated
+ Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
+ Rewrote Array2dFileLabel class to make members private, added access routines
+ Removed timedate.cpp in favor of standard C library time/date functions
+ Renamed ctrec to pjrec
+
1.9.7 - 6/25/2000
Standardized string option processing by classes. All classes use character strings
to select options rather than numeric constants. Added fail() and failMessage()