Pure Python Snowball stemming library

 Snowball stemming library collection for Python, provides 16 stemmer
 algorithms (15 + Poerter English stemmer) generated from Snowball algorithms.
 It includes following language algorithms:
  - Danish
  - Dutch
  - English (Standard, Porter)
  - Finnish
  - French
  - German
  - Hungarian
  - Italian
  - Norwegian
  - Portuguese
  - Romanian
  - Russian
  - Spanish
  - Swedish
  - Turkish