NaturalNode/natural — pull request #85 by hhamalai (2013-03-06 14:06:21+00:00)
Title: Fix the default substitution cost for Levenshtein distance

Fix the default substitution cost for Levenshtein distance which should be 1 [1]

E.g. "kitten" -> "sitting" the correct Levenshtein distance should be 3. Before this fix natural package returns 5.

[1]: http://en.wikipedia.org/wiki/Levenshtein_distance