message: added "hidden" getter/setter (missed method from 2.0)
diff: @@ -27,6 +27,7 @@ import * as genObj from './gen-objects'
  export default class Slide {
  private _bkgd: string
  private _color: string
  + private _hidden: boolean
  private _setSlideNum: Function
  private _slideNumber: ISlideNumber
  @@ -76,6 +77,14 @@ export default class Slide {
  return this._color
  }
  + // TODO: add comments (also add to index.d.ts)
  + public set hidden(value: boolean) {
  + this._hidden = value
  + }
  + public get hidden(): boolean {
  + return this._hidden
  + }
  +
  // TODO: add comments (also add to index.d.ts)
  public set slideNumber(value: ISlideNumber) {
  // NOTE: Slide Numbers: In order for Slide Numbers to function they need to be in all 3 files: master/layout/slide
  