Add NullHandler to supress warnings
Add NullHandler to supress warnings

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