1) start_date < end_date in leave form 2) remove duplicate fields from mrp.workcenter 3) remove recursion in project phases, start_date < end_date start_date < end_date in project.task and project.project bzr revid: pap@tinyerp.co.in-20100118134453-uptuohuxvyqhizfq
bzr revid: pap@tinyerp.co.in-20100113104723-lcpmbsa63nv6ioam
bzr revid: pap@tinyerp.co.in-20100112102529-pv7btx78n2dvdtan