Add commit to make sure the tags_id extractor version cache and the database are concistent.
Add commit to make sure the tags_id extractor version cache and the database are concistent.

Use $db->insert instead of $db->create in Stories::mark_as_processed to improve performance.

AchyuthIIIT/mediacloud,AchyuthIIIT/mediacloud,berkmancenter/mediacloud,AchyuthIIIT/mediacloud,AchyuthIIIT/mediacloud,AchyuthIIIT/mediacloud,AchyuthIIIT/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud,AchyuthIIIT/mediacloud,AchyuthIIIT/mediacloud,berkmancenter/mediacloud,AchyuthIIIT/mediacloud