Real3D FlipBook WordPress Plugin 4.9.3

- fix - PDF rendering issues of some special characters
- fix - option Mobile > Mode was not working
- new - support for new add-on Page Editor for Real3D Flipbook

- fix - print PDF
- fix - removed Share on Google plus
- new - share on WhatsApp button
- new - option to change fliobook slug
- new - menu page with links to all available add-ons

- fix - Flipbook permalink not working