Removed most of the "retry" in rescue clauses, since it was hidding critical issue.

This should be the choice of the application to "retry" on exception, otherwise let the framework handle this in the lower part.

Better handling of response termination (alias commit)
Added the notion of "status_committed"

library/server/ewsgi/specification/response/wgi_response.e

@@ -6,7 +6,7 @@ note
 deferred class
 	WGI_RESPONSE
 
-feature {WGI_RESPONSE, WGI_SERVICE} -- Commit
+feature {WGI_CONNECTOR, WGI_SERVICE} -- Commit
 
 	commit
 			-- Commit the current response
@@ -49,6 +49,14 @@ feature -- Status setting
 		deferred
 		end
 
+	status_committed: BOOLEAN
+			-- Is status code set and committed?
+			-- i.e: sent to the client and could not be changed anymore
+		deferred
+		ensure
+			committed_implies_set: Result implies status_is_set
+		end
+
 	set_status_code (a_code: INTEGER)
 			-- Set response status code
 			-- Should be done before sending any data back to the client
@@ -116,7 +124,7 @@ feature -- Output operation
 		end
 
 note
-	copyright: "2011-2011, Eiffel Software and others"
+	copyright: "2011-2012, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 	source: "[
 			Eiffel Software