Real3D FlipBook WordPress Plugin 4.9.3

- fix - flipbooks not visible in WooCommerce > My Account

- new - option to open links to PDF files <a href="...pdf"></a> in Real3D Flipbook lightbox instead of opening PDF in new tab
- new - option to render shortcodes [pdf-embedder], [dflip], [wonderplugin_pdf], [pdfjs-viewer], [3d-flip-book] in Real3D Flipbook

- fix - left page not visible on iOS, when using mode 3d or 2d
- fix - htmlContent and page items not working in PDF flipbook