Fixed to scrape existing from last page again

Ran 'npm audit fix' on all npm projects

Fixed scraping "Rain"

Added 'rel' searching to comic link scraping

Added iOS Google ads SKAdNetwork stuff

Added option to build app without ads

Fixed up all lint warnings

Merge pull request #20 from jackv24/dev_ads

Merge commit 'f764588f7d4ecab3b14ea375baef6977a3eb38b3'

Sort options fully implemented. With saving, etc.

Changed app store links to published app stores

Begun implementing Library list sorting

Fixed exception in screenshots taking on comic page

iOS screenshot tests working, using guide at: https://github.com/flutter/flutter/tree/master/packages/integration_test

Trying to fix admob app ID passing into fastlane build