+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
+
+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
+