+1.9.2 - 6/17/2000
+ Reorganized include files
+ Fixed const pointers in strfuncs
+
+1.9.1 - 6/16/2000
+ Renamed directories, moved source files, combined source files
+ to change from 6 libraries to 3 libraries (libctsim, libctsupport,
+ and libctgraphics)
+
+1.9.0 - 6/15/2000
+ Skip versions to make version 2.0 the first fully C++ version
+ Renamed Raysums to Projections throughout files
+ Renamed Detector to Scanner
+ Converted Scanner and Projecions to full object-oriented
+
0.6.1 - 6/12/2000
Converted Phantom and PhantomElements to Object-Oriented
Converted Detector to Object-Oriented