Merge pull request #541 from theinterned/patch-1

gracefully handle strings passed to the NumberFormatter

Author: wyuenho

src/formatter.js

@@ -105,7 +105,7 @@ _.extend(NumberFormatter.prototype, {
   fromRaw: function (number, model) {
     if (_.isNull(number) || _.isUndefined(number)) return '';
 
-    number = number.toFixed(~~this.decimals);
+    number = parseFloat(number).toFixed(~~this.decimals);
 
     var parts = number.split('.');
     var integerPart = parts[0];