remove StringIO (not needed)
remove StringIO (not needed)

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