Site https://www.lightnovelpub.com renamed

lightnovelworld.com changed to lightnovelpub.com
See: dteviot#486

Merge pull request dteviot#484 from gamebeaker/ExperimentalTabMode

Additional Metadata auto search

update site https://www.wattpad.com/

See: dteviot#391

Fetch meta data from NovelUpdates

See: dteviot#444
Code originally from gamebeaker

Add site https://chyoa.com/

See: dteviot#426

Sort of works.  Need to go to "Story Map" for the story (click on
"View Story Map" and then open WebToEpub.

Also, links to other chapters don't work. Will need to fix them up
after epub is created.

Add site https://morenovel.net

See: dteviot#421

fix: site https://forum.questionablequesting.com

Refer: dteviot#403

Add site https://activetranslations.xyz/

See: dteviot#401

Fix unit tests broken by previous commit

Add site https://indomtl.com

See: dteviot#380