+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