Added in limitTo number support

Author: hjast

src/ng/filter/limitTo.js

@@ -72,6 +72,7 @@
  */
 function limitToFilter(){
   return function(input, limit) {
+    if (typeof input == "number") input = input.toString();
     if (!isArray(input) && !isString(input)) return input;
 
     if (Math.abs(Number(limit)) === Infinity) {