message: Add boolean and string[] as possible answer value types
diff: @@ -52,7 +52,7 @@ export interface Answer<T> {
  }
  export interface RegistrationMetadata {
  - [qid: string]: Answer<string | RegistrationMetadata>;
  + [qid: string]: Answer<string | string[] | boolean | RegistrationMetadata>;
  }
  /**
  