Updated to angular 11

Now compiling with strict mode in typescript
Need to error checking now

bookie/src/app/core/user.ts

@@ -1,20 +1,28 @@
 import { UserGroup } from './user-group';
 
 export class User {
-  id: string;
+  id: string | undefined;
   name: string;
   password: string;
   lockedOut: boolean;
-  roles?: UserGroup[];
+  roles: UserGroup[];
   perms: string[];
-  isAuthenticated: boolean;
   access_token?: string;
-  exp?: number;
+  exp: number;
   ver: string;
   lastDevice: string;
   lastDate?: string;
 
   public constructor(init?: Partial<User>) {
+    this.id = undefined;
+    this.name = '';
+    this.password = '';
+    this.lockedOut = true;
+    this.roles = [];
+    this.perms = [];
+    this.exp = 0;
+    this.ver = '';
+    this.lastDevice = '';
     Object.assign(this, init);
   }
 }