Merge pull request #1 from jackie19/jackie19-patch-1

Update vue-cookie.js

Author: jackie19

src/vue-cookie.js

@@ -1,5 +1,9 @@
 (function () {
-
+    Number.isInteger = Number.isInteger || function (value) {
+        return typeof value === 'number' &&
+            isFinite(value) &&
+            Math.floor(value) === value;
+    };
     var Cookie = require('tiny-cookie');
 
     var VueCookie = {
@@ -38,4 +42,4 @@
         Vue.use(VueCookie);
     }
 
-})();
+})();