message: Added docs for Issue
diff: @@ -262,6 +262,20 @@ pptx.save( 'Node_Demo', function(filename){ console.log('Created: '+filename); }
  pptx.save( 'Node_Demo', saveCallback );
  ```
  +Saving multiple Presentations:
  +In order to generate a new, unique Presentation, one would just grab a new instance of the library, then add objects and save as normal.
  +
  +```javascript
  +var pptx = new PptxGenJS();
  +pptx.addNewSlide().addText('Presentation 1', {x:1, y:1});
  +pptx.save('PptxGenJS-Presentation-1');
  +
  +// Create a new instance ("Reset")
  +pptx = new PptxGenJS();
  +pptx.addNewSlide().addText('Presentation 2', {x:1, y:1});
  +pptx.save('PptxGenJS-Presentation-2');
  +```
  +
  