Updating to new utils version

src/index.ts

@@ -85,7 +85,7 @@ function statusParser(res: Response) {
 }
 
 export default class SecureFileWrapper {
-   private _jwtObservableServer: Observable<(jwt: string) => void> = new Observable(false);
+   private _jwtObservableServer: Observable<(jwt: string) => void> = new Observable();
    jwtObservable = this._jwtObservableServer.getPublicApi();
 
    private jwt: string;

src/test.ts

@@ -167,7 +167,7 @@ function test(sf: SecureFile) {
 describe("SecureFile Tests", function () {
    let sf = new SecureFile("http://localhost:3004");
    sf.jwtObservable.subscribe((callback) => {
-      callback[0]("TESTJWT");
+      callback("TESTJWT");
    })
    test(sf)
 })