message: Round margin values
  because PowerPoint will consider floating point values in the xml file as invalid value
diff: @@ -438,15 +438,15 @@ function slideObjectToXml(slide: ISlide | ISlideLayout): string {
  // Margin/Padding/Inset for textboxes
  if (slideItemObj.options.margin && Array.isArray(slideItemObj.options.margin)) {
  - slideItemObj.options.bodyProp.lIns = slideItemObj.options.margin[0] * ONEPT || 0
  - slideItemObj.options.bodyProp.rIns = slideItemObj.options.margin[1] * ONEPT || 0
  - slideItemObj.options.bodyProp.bIns = slideItemObj.options.margin[2] * ONEPT || 0
  - slideItemObj.options.bodyProp.tIns = slideItemObj.options.margin[3] * ONEPT || 0
  + slideItemObj.options.bodyProp.lIns = Math.round(slideItemObj.options.margin[0] * ONEPT || 0)
  + slideItemObj.options.bodyProp.rIns = Math.round(slideItemObj.options.margin[1] * ONEPT || 0)
  + slideItemObj.options.bodyProp.bIns = Math.round(slideItemObj.options.margin[2] * ONEPT || 0)
  + slideItemObj.options.bodyProp.tIns = Math.round(slideItemObj.options.margin[3] * ONEPT || 0)
  } else if (typeof slideItemObj.options.margin === 'number') {
  - slideItemObj.options.bodyProp.lIns = slideItemObj.options.margin * ONEPT
  - slideItemObj.options.bodyProp.rIns = slideItemObj.options.margin * ONEPT
  - slideItemObj.options.bodyProp.bIns = slideItemObj.options.margin * ONEPT
  - slideItemObj.options.bodyProp.tIns = slideItemObj.options.margin * ONEPT
  + slideItemObj.options.bodyProp.lIns = Math.round(slideItemObj.options.margin * ONEPT)
  + slideItemObj.options.bodyProp.rIns = Math.round(slideItemObj.options.margin * ONEPT)
  + slideItemObj.options.bodyProp.bIns = Math.round(slideItemObj.options.margin * ONEPT)
  + slideItemObj.options.bodyProp.tIns = Math.round(slideItemObj.options.margin * ONEPT)
  }
  if (shapeType === null) shapeType = getShapeInfo(null)
  