This toolbox is aimed to mimic matlab wavelet toolbox. Most of the functions
similiar to their counterparts in Matlab equivalents.
+ Add unit_tests, some macros are removed, some bug fixes
+ Add scal2frq, centfrq, cwtplot, wavedecplot
+ Add denoise funtions: wden, wnoisest, wthresh, wnoise, thselect, ddencmp
+ bug fixes for scilab 5, transformation of the help files
+ works under scilab 5