Merge branch 'issue/71' into 'develop'

Issue #71: Fix signIn now returns user ID

Closes #71

See merge request !70

src/api/controllers/user.ts

@@ -133,7 +133,8 @@ export class UserCtrl {
                     }
                     res.json({
                         message: "Authentication successful.",
-                        token: encoded
+                        token: encoded,
+                        id: user.id
                     });
                     callback(null);
                 })