mkwindows.pl --

* export tags

* Several other windows could be added.

barcilon-tems

ultra spherical windows

* scalloping loss function is not working properly.

* Other analysis functions could be added. There are, for

instance, matlab scripts with these things implemented.

* filter design tools. Most of these would belong in another

module. But the tools to determine values of parameters

for window functions probably belong here.

* plot more than one window function simultaneously.