NaturalNode/natural — pull request #108 by jackred (2013-11-27 22:53:42+00:00)
Title: added length condition for verbs stem

short verbs like 'is', 'are' or 'has' got stemmed in the form of 'i', 'ar' and 'ha' which is incorrect.
added condition to exclude verbs of 3 characters or less from stemming