This module implements a Portuguese stemming algorithm proposed in the paper A
Stemming Algorithm for the Portuguese Language by Moreira, V. and Huyck, C.

The eight steps of stemming algorithm are listed as follows:

* Plural Reduction
* Feminine Reduction
* Adverb Reduction
* Augmentative/Diminutive Reduction
* Noun Suffix Reduction
* Verb Suffix Reduction
* Vowel Reduction
* Accents Removal