-2.0.0-b6 - 7/19/00
+2.0.0-b6 - 7/22/00
ctsim program: improved initial size and scroll area for image
and projection files
ctsim program: added rasterization parameters, projections parameters,
and reconstruction parameters dialogs
+ Moved char[] static definition from header files to c++ files
+ Completely reorganized option processing in classes to improve
+ expandability and to assist ctsim graphical user interface.
2.0.0-b5 - 7/17/00
ctsim program: Added dialog to set minimum/maximum display levels