Fixed WSF_REQUEST.script_url (..) for clean path

Added related autotests

library/server/wsf/tests/src/wgi_request_null.e

@@ -0,0 +1,49 @@
+note
+	description: "Summary description for {WGI_REQUEST_NULL}."
+	author: ""
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	WGI_REQUEST_NULL
+
+inherit
+	WGI_REQUEST_FROM_TABLE
+		rename
+			make as wgi_request_from_table_make
+		end
+
+create
+	make
+
+feature {NONE} -- Initialization
+
+	make (s: WSF_SERVICE; a_meta: ARRAY [TUPLE [name: READABLE_STRING_8; value: READABLE_STRING_8]])
+		local
+			ht: HASH_TABLE [READABLE_STRING_8, READABLE_STRING_8]
+			i: WGI_NULL_INPUT_STREAM
+			c: WGI_NULL_CONNECTOR
+		do
+			create c.make (s)
+			create i.make
+			create ht.make (a_meta.count)
+			across
+				a_meta as curs
+			loop
+				ht.force (curs.item.value, curs.item.name)
+			end
+			wgi_request_from_table_make (ht, i, c)
+		end
+
+
+note
+	copyright: "2011-2011, Eiffel Software and others"
+	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
+	source: "[
+			Eiffel Software
+			5949 Hollister Ave., Goleta, CA 93117 USA
+			Telephone 805-685-1006, Fax 805-685-6869
+			Website http://www.eiffel.com
+			Customer support http://support.eiffel.com
+		]"
+end