+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