cozi/icalendar — pull request #2 by nikolaeff (2012-01-20 14:08:04+00:00)
Title: Added support for seconds in UTCOffset

According to http://www.kanzaki.com/docs/ical/utcOffset.html utc-offset can contain optional seconds part.
And seems like new iCal from well known fruit company uses it.

Simple test case included.