update

ts/bunq.classes.session.ts

@@ -1,7 +1,7 @@
 import * as plugins from './bunq.plugins.js';
 import { BunqHttpClient } from './bunq.classes.httpclient.js';
 import { BunqCrypto } from './bunq.classes.crypto.js';
-import { 
+import type { 
   IBunqApiContext,
   IBunqInstallationResponse,
   IBunqDeviceServerResponse,
@@ -39,7 +39,9 @@ export class BunqSession {
    */
   private async createInstallation(): Promise<void> {
     // Generate RSA key pair if not already generated
-    if (!this.crypto.getPublicKey()) {
+    try {
+      this.crypto.getPublicKey();
+    } catch (error) {
       await this.crypto.generateKeyPair();
     }
 
@@ -143,7 +145,7 @@ export class BunqSession {
     }
     
     const now = new plugins.smarttime.TimeStamp();
-    return this.sessionExpiryTime.isYoungerThanOtherTimeStamp(now);
+    return now.isOlderThan(this.sessionExpiryTime);
   }
 
   /**