add docs for WSGI (#60)
add docs for WSGI (#60)

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