Event Orgnaniser iCal Sync 2.1.0 was released today. It updates the user interface, including improvements for accessibility; Adds a hook for filtering imported venues and exposes command line commands through WP-Cli.
Documentation regarding the venue hook and WP-Cli support can be found here: http://docs.wp-event-organiser.com/importing-events/importing-events-from-an-ical-feed/