Parallel Spectral Deconvolution plugin update

[Piotr Wendykier]

Hello,

An updated version of Parallel Spectral Deconvolution plugin is available at

http://piotr.wendykier.googlepages.com/spectraldeconvolution

New in this version:
- user can choose a floating-point precision (single or double)
- exceptions handling was added

Piotr Wendykier