fix date formatting
fix date formatting

kalxas/pycsw,ocefpaf/pycsw,tomkralidis/pycsw,mwengren/pycsw,tomkralidis/pycsw,kevinpdavies/pycsw,PublicaMundi/pycsw,bukun/pycsw,benhowell/pycsw,bukun/pycsw,bukun/pycsw,kalxas/pycsw,rouault/pycsw,ricardogsilva/pycsw,ingenieroariel/pycsw,ckan-fcd/pycsw-fcd,rouault/pycsw,ricardogsilva/pycsw,ckan-fcd/pycsw-fcd,ricardogsilva/pycsw,geopython/pycsw,geopython/pycsw,tomkralidis/pycsw,kevinpdavies/pycsw,PublicaMundi/pycsw,mwengren/pycsw,benhowell/pycsw,kalxas/pycsw,ingenieroariel/pycsw,ocefpaf/pycsw,geopython/pycsw