Updating task log levels to be more consistent.
Removing deprecated functions.
Moving from using uri in plcaes to standardizing on hostname.
Adding code to replicate the old logic to use current directories or drush aliases as fetcher site names.
Setting tasks to configure themselves with remote environments.
Reordering the commands so that ensuring the site info file exists come after fetching code and generating the database connection to ensure that steps that may modify or add configuration will be properly persisted to the info file.