serialize :pvalue to unique tokens
serialize :pvalue to unique tokens

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