Lingua::Stem - Stemming of words

This routine applies stemming algorithms to its parameters, returning the
stemmed words as appropriate to the selected locale.

Currently supported locales are:

      EN          - English (also EN-US and EN-UK)
      DA          - Danish
      DE          - German
      GL          - Galician
      IT          - Italian
      NO          - Norwegian
      PT          - Portuguese
      SV          - Swedish