some wms servers lack a scalehint max attribute
some wms servers lack a scalehint max attribute

tomkralidis/OWSLib,bird-house/OWSLib,b-cube/OWSLib,kalxas/OWSLib,KeyproOy/OWSLib,jaygoldfinch/OWSLib,geopython/OWSLib,menegon/OWSLib,robmcmullen/OWSLib,JuergenWeichand/OWSLib,mbertrand/OWSLib,Jenselme/OWSLib,jachym/OWSLib,gfusca/OWSLib,dblodgett-usgs/OWSLib,kwilcox/OWSLib,ocefpaf/OWSLib,QuLogic/OWSLib,jaygoldfinch/OWSLib,geographika/OWSLib