Update CHANGELOG.md

Author: muthurathinam

CHANGELOG.md

@@ -1,8 +1,18 @@
 ## Changelog
 
+### 1.3.0
+New Features
+* Support for Large File upload [[#1](https://developer.microsoft.com/en-us/graph/docs/api-reference/v1.0/api/driveitem_createuploadsession), [#2](https://github.com/microsoftgraph/msgraph-sdk-javascript/blob/dev/docs/tasks/LargeFileUploadTask.md)]
+* Batching made easy [[#1](https://developer.microsoft.com/en-us/graph/docs/concepts/json_batching), [#2](https://github.com/microsoftgraph/msgraph-sdk-javascript/blob/dev/docs/content/Batching.md)]
+
+Bug Fixes
+* https://github.com/microsoftgraph/msgraph-sdk-javascript/issues/97
+* https://github.com/microsoftgraph/msgraph-sdk-javascript/issues/110
+* https://github.com/microsoftgraph/msgraph-sdk-javascript/issues/39
+* https://github.com/microsoftgraph/msgraph-sdk-javascript/issues/111
+
 ### 1.2.0
 Updates
-
 * Two output js files, one with polyfills for Fetch-API and ES6-Promises ([lib/graph-js-sdk-web.js](./lib/graph-js-sdk-web.js)) and one without ([lib/graph-js-sdk-core.js](./lib/graph-js-sdk-core.js))
 [Refer [README.md](https://github.com/microsoftgraph/msgraph-sdk-javascript#browser) for usage]
 * Enum for ResponseType, which lists down the available ResponseType options in autocomplete