ADDED: support for repeat event data
ADDED: support for new event time extended type
FIXED: filetype value for upload_image()
UPDATE: evcal_allday value is no longer supported; use extend_type= dl/ml/yl
FIXED: subtitle and other fields with apostrophe added extra blackslashes when imported
FIXED: organizer ID value not saving the organizer correct
FIXED: initiation addon name error
FIXED: to not save event_id to event post meta
FIXED: imported time converting to AM PM
FIXED: unnecessarily adding slashes multiple times
ADDED: updating existing events to update event name, description and post status
FIXED: each hidden fields error on import
FIXED: location and organizer ID passed via CSV not importing
FIXED: updating existing events creating new fields
