Update README for new endpoints

README.md

 
+  
 # onesignal-node    
     
 A Node.js client library for [OneSignal](https://onesignal.com/) API.    
@@ -7,19 +8,22 @@ A Node.js client library for [OneSignal](https://onesignal.com/) API.
 * [Installation](#installation)    
 * [Usage](*usage)    
   * [Creating a service client](#creating-a-client)    
-  * [Sending a push notification](#sending-push-notifications)  
-  * [Cancelling a push notification](#cancelling-a-push-notification)  
-  * [Viewing push notifications](#viewing-push-notifications)  
-  * [Viewing a push notification](#viewing-a-push-notification)  
-  * [Listing apps](#viewing-apps)  
-  * [Creating an app](#creating-an-app)  
-  * [Updating an app](#updating-an-app)  
-  * [Listing devices](#viewing-devices)  
-  * [Viewing a device](#viewing-a-device)  
-  * [Adding a device](#adding-a-device)  
-  * [Editing a device](#editing-a-device)  
+  * [Send a push notification](#send-push-notifications)    
+  * [Cancel a push notification](#cancel-a-push-notification)    
+  * [View push notifications](#view-push-notifications)    
+  * [View a push notification](#view-a-push-notification)    
+  * [View apps](#view-apps)    
+  * [Create an app](#create-an-app)    
+  * [Update an app](#update-an-app)    
+  * [View devices](#view-devices)    
+  * [View a device](#view-a-device)    
+  * [Add a device](#add-a-device)    
+  * [Edit a device](#edit-a-device)    
+  * [New session](#new-session)
+  * [New purchase](#new-purchase)
+  * [Increment Session Length](#increment-session-length)
   * [CSV Export](#csv-export)    
-  * [Opening track](#opening-track)  
+  * [Open track](#open-track)    
 * [Tests](#tests)    
     
 ## Installation    
@@ -36,7 +40,7 @@ var OneSignal = require('onesignal-node');
 You can create a OneSignal Client as shown below. It takes a JSON object as parameter which    
 contains your OneSignal API credentials.    
 You can find your userAuthKey and REST API Key (appAuthKey) on OneSignal `Account & API Keys` page.    
-``` js  
+```js    
 // create a new Client for a single app    
 var myClient = new OneSignal.Client({    
    userAuthKey: 'XXXXXX',    
@@ -46,7 +50,7 @@ var myClient = new OneSignal.Client({
 ```    
     
 You can also create a Client for multiple Apps    
-``` js  
+```js    
 // create a Client for a multiple apps    
 var myClient = new OneSignal.Client({    
    userAuthKey: 'XXXXXX',    
@@ -54,7 +58,7 @@ var myClient = new OneSignal.Client({
 });    
 ```    
 You can always create a Client with no credential and set them later:    
-``` js  
+```js    
 // create a Client for a multiple apps    
 var myClient = new OneSignal.Client({});    
 myClient.userAuthKey = 'XXXXXX';    
@@ -107,7 +111,7 @@ firstNotification.postBody["data"] = {"abc": "123", "foo": "bar"};
 firstNotification.postBody["headings"] = {"en": "English Title", "es": "Spanish Title"};  
 ```    
     
-### Sending Push Notifications  
+### Send Push Notifications    
 Sending a notification using Segments:    
 ```js    
 var OneSignal = require('onesignal-node');    
@@ -227,7 +231,7 @@ myClient.userAuthKey = 'XXXXXX';
 myClient.apps = ['id1', 'id2'];    
 ```    
     
-### Cancelling a push notification  
+### Cancel a push notification    
 You can cancel a notification simply by calling `.cancel(notificationId, callback)` method    
 ```js    
 // this will cancel the notification for current app (myClient.app)    
@@ -238,7 +242,7 @@ myClient.cancelNotification('notificationId', function (err, httpResponse, data)
 })    
 ```    
     
-### Viewing push notifications  
+### View push notifications    
 To view all push notifications for an app:    
     
 ```js    
@@ -254,7 +258,7 @@ myClient.viewNotifications('limit=30', function (err, httpResponse, data) {
 });    
 ```    
     
-### Viewing a push notification  
+### View a push notification    
     
 ``` js    
 var myClient = new OneSignal.Client({    
@@ -269,7 +273,7 @@ myClient.viewNotification('notificationId', function (err, httpResponse, data) {
 });    
 ```    
     
-### Viewing apps  
+### View apps    
 ``` js    
 myClient.viewApps(function (err, httpResponse, data) {    
     console.log(data[0].name); // print the name of the app    
@@ -282,7 +286,7 @@ myClient.viewApp('appId', function (err, httpResponse, data) {
 });    
 ```    
     
-### Creating an app  
+### Create an app    
 ``` js    
 var OneSignal = require('onesignal-node');    
     
@@ -303,7 +307,7 @@ myClient.createApp(appBody, function (err, httpResponse, data) {
 });    
 ```    
     
-### Updating an app  
+### Update an app    
 ``` js    
 var OneSignal = require('onesignal-node');    
     
@@ -322,7 +326,7 @@ myClient.updateApp(appBody, function (err, httpResponse, data) {
 });    
 ```    
     
-### Viewing devices  
+### View devices    
 You can view devices for an app:    
 ``` js    
 var myClient = new OneSignal.Client({    
@@ -335,8 +339,8 @@ myClient.viewDevices('limit=100&offset=0', function (err, httpResponse, data) {
 });    
 ```    
     
-### Viewing a device  
-``` js  
+### View a device    
+```js    
 var myClient = new OneSignal.Client({    
     app: { appAuthKey: 'XXXXX', appId: 'XXXXX' }    
 });    
@@ -346,8 +350,8 @@ myClient.viewDevice('deviceId', function (err, httpResponse, data) {
 });    
 ```    
     
-### Adding a device  
-``` js  
+### Add a device    
+```js    
     
 var myClient = new OneSignal.Client({    
     userAuthKey: 'XXXXXX',    
@@ -365,8 +369,8 @@ myClient.addDevice(deviceBody, function (err, httpResponse, data) {
 });    
 ```    
     
-### Editing a device  
-``` js  
+### Edit a device    
+```js    
 var myClient = new OneSignal.Client({    
     userAuthKey: 'XXXXXX',    
     app: { appAuthKey: 'XXXXX', appId: 'XXXXX' }    
@@ -382,8 +386,64 @@ myClient.editDevice('deviceId', deviceBody, function (err, httpResponse, data) {
     ...    
 });    
 ```
+
+### New Session   
+```js    
+var myClient = new OneSignal.Client({    
+    userAuthKey: 'XXXXXX',    
+    app: { appAuthKey: 'XXXXX', appId: 'XXXXX' }    
+});    
+    
+var postBody = {    
+    language: 'es',    
+    game_version: '1.0',
+    timezone: -28800
+};    
+    
+myClient.newSession('playerId', postBody, function (err, httpResponse, data) {    
+    ...    
+});    
+```
+
+### New Purchase
+```js    
+var myClient = new OneSignal.Client({    
+    userAuthKey: 'XXXXXX',    
+    app: { appAuthKey: 'XXXXX', appId: 'XXXXX' }    
+});    
+    
+var postBody = {    
+    purchases: [{
+	    sku: 'SKU123',
+	    iso: 'USD',
+	    amount: 0.99
+	}]
+};    
+    
+myClient.newPurchase('playerId', postBody, function (err, httpResponse, data) {    
+    ...    
+});    
+```
+
+### Increment Session Length
+```js    
+var myClient = new OneSignal.Client({    
+    userAuthKey: 'XXXXXX',    
+    app: { appAuthKey: 'XXXXX', appId: 'XXXXX' }    
+});    
+    
+var postBody = {    
+    state: 'ping',
+    active_time: 60
+};    
+    
+myClient.incrementSessionLength('playerId', postBody, function (err, httpResponse, data) {    
+    ...    
+});    
+```
+
 ### CSV Export    
-``` js  
+```js    
 var myClient = new OneSignal.Client({    
     userAuthKey: 'XXXXXX',    
     app: { appAuthKey: 'XXXXX', appId: 'XXXXX' }    
@@ -394,7 +454,7 @@ myClient.csvExport({ extra_fields: ['location'] }, function (err, httpResponse,
 });    
 ```    
     
-### Opening track  
+### Open track    
 ``` js    
 var myClient = new OneSignal.Client({    
     userAuthKey: 'XXXXXX',