Merge pull request #583 from dolphin278/patch-1

Fix node encodings lookup in string parser

Author: sidorares

lib/parsers/string.js

@@ -9,7 +9,10 @@ var NODE_ENCODING = [
   'latin1',
   'binary',
   'hex'
-];
+].reduce(function (map, item) {
+  map[item] = Buffer.isEncoding(item);
+  return map;
+}, {});
 
 exports.decode = function(buffer, encoding, options) {
   if (NODE_ENCODING[encoding]) {