message: updated to v3.1.1
diff: @@ -53,7 +53,7 @@ import * as genMedia from './gen-media'
  import * as genTable from './gen-tables'
  import * as genXml from './gen-xml'
  -const VERSION = '3.2.0-beta'
  +const VERSION = '3.1.1-beta'
  export default class PptxGenJS {
  // Property getters/setters
  