- Only allow one sqlite connection by using a static sqlite connection
- Remove the Database() constructor from lua. Access the database from
the global db object
- Add phoronix, 9to5mac and techcrunch scripts
- Add clap for basic argument parsing for disabling the scheduler
- Add clap argument for entering a cron string (the default value is
wrong right now)
- Add `check_if_articles_in_feed_exist` that will return articles from
the database that already exist
- Print out lua errors rather than just printing a generic error