epub generated cannot be uploaded to google play books

[Pokemod97]

When it does it "File Cannot be proccessed"

[Kietyo]

I have fixed this in my fork

https://github.com/KietSam/Wuxiaworld-2-eBook

[MichaelGuardian]

Since there was a change in formatting I had to decline a pull request regarding this issue. I'll look into it if theres no new pull request.

Mental note: Before pushing the fix check for #39