[api] Created wrapper to @gf3 's Levenshtein module.

lib/levenshtein.js

@@ -0,0 +1,19 @@
+#! /usr/bin/env node
+var Hook = require('hook.io').Hook,
+    Levenshtein = require('levenshtein');
+
+var insult = new Hook( {
+  name: 'levenshtein'
+});
+
+insult.connect({
+  port: 5000,
+  host: "localhost"
+});
+
+insult.on('ready', function(){
+  insult.on('in.getDistance', function(string1, string2){
+    var lev = new Levenshtein(string1, string2);
+    insult.emit('out.getDistance', lev.distance);
+  });
+});