Merge branch 'master' of https://github.com/agility/agility-content-fetch-js-sdk into feature/gallery

Author: Ali Tahir

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@agility/content-fetch",
-  "version": "0.5.4",
+  "version": "0.5.5",
   "description": "JavaScript library for the Agility Fetch API (node and browser)",
   "main": "dist/agility-content-fetch.node.js",
   "scripts": {

src/utils.js

@@ -1,7 +1,7 @@
 function buildRequestUrlPath(config, languageCode) {
     let apiFetchOrPreview = null;
 
-    if(config.isPreview) {
+    if(config.isPreview === true || config.isPreview === 'true') {
         apiFetchOrPreview  = 'preview';
     } else {
         apiFetchOrPreview = 'fetch';