message: Made hash optional so not breaking change
diff: @@ -333,7 +333,7 @@ export class Crumb<Key extends string = string, Data extends object = any> {
  * crumb trail
  * @param hash The fragment identifier associated with this navigation
  */
  - constructor(data: Data, state: State<Key, Data>, link: string, crumblessLink: string, last: boolean, hash: string);
  + constructor(data: Data, state: State<Key, Data>, link: string, crumblessLink: string, last: boolean, hash?: string);
  }
  /**
  