Update to the Transfer Case script

A worker reported that the script was dumping 12/30/99 into the date
that the CRF was sent and then not case noting the CRF sent date because
.... drum roll ... there was no CRF sent date. Now, if the
crf_sent_check is checked, crf_sent_date = date.
Merge branch 'master' of https://github.com/RobertKalb/DHS-MAXIS-Scripts