Creative Book Builder v1.5

Creative Book Builder v1.5 is released.

Here are new features:

1. Insert chapter just before or after other chapter

2. Insert element just before or after other element

3. Embed pdf, doc, xls, ppt, pages, keynote, numbers files

4. Add custom HTML

5. Import PDF as images

6. Copy book

7. Add filename for song file after import

8. Use book title as default filename when upload

9. Some bug fix