message: make question.id property writable:
diff: @@ -117,9 +117,10 @@ export class QuestionBase extends SurveyElement implements IQuestion, ICondition
  */
  public get hasComment(): boolean { return false; }
  /**
  - * Returns the unique identificator. It is generated automatically.
  + * The unique identificator. It is generated automatically.
  */
  public get id(): string { return this.idValue; }
  + public set id(val: string) { this.idValue = val; }
  /**
  * Returns the list of errors that has in the question. For example, isRequired error.
  */
  