praekelt/vumi — pull request #522 by justinvdm (2013-04-24 12:37:07+00:00)
Title: Timestamp fields need to be able to parse iso8601 formatted strings when setting their value

[PR 520](https://github.com/praekelt/vumi/pull/520) was meant to solve this, but instead just does validation of iso8601 formatted strings (forgot to overide `set_value()` to do the actual setting, sorry!).