+2.0.0-b7 - 7/25/00
+ Finished support for dmallocxx library
+
+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
+ Started ctsim.tex document file
+
+2.0.0-b4 - 7/13/00
+ Fixed compiler warnings at -Wall level
+ Began work on CTSim program to be graphical front-end of all functions
+ Moved current src/*.cpp to tools/*.cpp
+ Made CTSim graphical front-end's home to be src/
+