7.x-1.4-dev

Added ‘guides’ field.  People registering for a particular event
station.
7.x-1.5-dev - Added 'Event' Field

Added ‘Event’ field to schema
7.x-1.6-dev - Added 'weight' field

Added 'weight' field to schema in *.install
7.x-1.7-dev - Added 'owner' field

 Added 'owner' field to schema in *.install
7.x-1.8-dev - Added 'status' field

Added 'status' field to schema in *.install
7.x-1.9-dev - Added 'visibility' field

Added 'visibility' field to schema in *.install
Boolean indicating whether the station is visible to non-administrators.
7.x-2.0-dev - Added 'created' and 'changed' fields

Added 'created' and 'changed' fields to schema in *.install. Fields are
timestamps.