+1.9.4 - 6/20/2000
+ Converted projection files to C++ library with frnetorderstream
+ Converted image files to C++ library with frnetorderstream
+ Converted filter and convolution to object-oriented code
+ Changed default image file to float from double -- Changable in imagefile.h
+ Optimized image file writing on little-endian architectures
+ Updated README and INSTALL
+
+1.9.3 - 6/19/2000
+ Reorganized source files
+ MPI bug fixed to phm2pj.cpp
+
+1.9.2 - 6/18/2000
+ 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
+
+0.6.0-b3 - 6/10/2000
+ Improved Integer backprojection method
+ Fixed nearest neighbor to be truly nearest neighbor
+ Made linear interpolation more integer arithmetic -> speed improvement
+ Finished converting all C files to C++
+ Converted all use of malloc/free to C++ new/delete
+ Began object-oriented conversion of Phantom and Projection structures
+
+0.6.0-b2 - 6/8/2000
+ Converted MPI data structures to C++ object
+ Made ImageFile directly inherit from Array2dFile
+
+0.6.0-b1 - 6/6/2000
+ First C++ conversions
+ Portable IF (image file) format implemented with objects (SDF removed)
+ - Now all data files are cross-platform compatible
+ Converted from MPI to MPI++
+ Converted backprojection to object-oriented
+ Removed MTX from libkmath as no longer need -- replaced with C++ matrices
+
+0.5.4 - 6/4/2000
+ Simpilifed endian handling
+
+0.5.4-b3 - 6/1/2000
+ Added support for 64-bit (IA64) CPU
+ Removed broken B-spline interpolation
+ Added support for cygwin platform under Windows 2000
+ Added support for 16-bit PNG graphics
+
+0.5.4-b2 - 5/16/2000
+ Added compile-time configuration of endian order
+
+0.5.4-b1 - 5/14/2000
+ Modified the raysum file format to be platform independent
+
+0.5.3 - 5/11/2000
+ Added Microsoft VC compatibility
+ Cleaned up compilation warnings in libgraph
+
+0.5.2-b5 - 5/7/2000
+ Continued conversion to ANSI C
+ Removed old CRT routines
+
+0.5.2-b4 - 5/4/2000
+ Renamed pictures to phantoms, objects to phantom elements
+ Continued code cleanup
+
+0.5.2-b3 - 4/30/200
+ More code cleanup with reorganizing libraries
+ Added --log and --exp to sdf-1
+ Allowed negative numbers for window levels in CGI interface
+
+0.5.2-b2 - 4/30/200
+ Continued code cleanup
+