fix case-insensitive search detection
fix case-insensitive search detection

git-svn-id: 96ec19519756d6256e3201f6113dd23bfeddceae@330 f6d6ccb1-4906-4145-b9cb-3503ec0a5639

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