Start branch 'failed_urls' - Save and retry failed_urls
Add save_failed_url decorator
refactor items
refactor items
Add FailedURL table
dedub and generation now working
add drop_tables() function
solve failed_urls relation with primary item
Merge branch 'failed_urls' into dedup_gen

Conflicts:
	uascraper/models/sql.py
	uascraper/spiders/narcis_spiders.py