fixed WPS - default version 1.0.0 if not set in request

SE/se-lib/Api/Wps.php

@@ -26,6 +26,7 @@ class Api_Wps extends ApiRouteBase {// TODO: extends Api_WfsBase which extends A
 
 		$serverClass = '';
 		$version = V::get('version', '1.0.0', $request);
+		$version = (!$version) ? '1.0.0' : $version;
 		switch ($version) {
 			case '1.0.0': $serverClass = 'Api_WpsV1_Server'; break;
 			default: throw new Exception("WPS API version {$request->version} not supported");