Change 534

Time Attribute with previous and current values
Change #534
2009-10-05
08:54:44

update Calagator::Event 1250457827 OTBC: How to Define, Size and Segment a Market Roll back

end_time 2009-10-05 10:00:00 -0700 2009-10-28 17:00:00 -0700
start_time 2009-10-05 09:00:00 -0700 2009-10-28 16:00:00 -0700