Word.lemma passes POS tag to WordNextLemmatizer
_wordnet should be lazy-loaded
Rename Word.lemma to Word.lemmatize()
Update doc: Word.lemma -> Word.Lemmatize()
Add myself to AUTHORS (pull request requirement)
FIX: new line added to the end of file
FIX: 4 spaces per indentation level
Keeping lemma property to maintain compatibility
FIX: sorry, a stupid mistake