-1.9.9 - 6/29/00
+2.0.0-b3 - 7/09/00
+
+2.0.0-b2 - 7/07/00
+ Cleaned up SignalFilter class
+ Added zeropad option to pjrec
+ Added zeropad options to html and cgi files
+ Added fourier_table and rfttw filter methods
+ Added FFTW routines to use real/half-complex transformations
+
+2.0.0-b1 - 7/05/00
+ Updated trace level processing
+ Added trace level to SignalFilter
+ Fixed magnitude vs. real output bug in FFT/Fourier filter
+
+1.9.9 - 7/04/00
Fixed const issue with ImageFileArray
Fixed Array2dFile::labelsCopy()
Added copy constructor and assignment for Array2dFileLabel class
Added Timer to if-2.cpp and ifinfo.cpp
+ Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
+ Added option processing for filter-method for pjrec to choose
+ between convolution, dft, & fft filtering
+ Fixed format string for EZPlot so axis labels now print
+ Added support for FFTW library
1.9.8 - 6/27/2000
Rewrote Array2dFile class to be non-templated