message: Fix exp claim should be optional
diff: @@ -19,7 +19,7 @@ export class Storage {
  // Pass a decoded payload and it will return a boolean based on if it hasn't expired.
  export function payloadIsValid (payload) {
  - return payload && payload.exp * 1000 > new Date().getTime();
  + return payload && (!payload.exp || payload.exp * 1000 > new Date().getTime());
  }
  export function getCookie (name) {
  