Implemented WSF_RESPONSE.put_error (...) and related

Added WSF_RESPONSE.put_character
Renamed  WGI_OUTPUT_STREAM.put_character_8 as put_character  to follow style of put_string  (and not put_string_8)
Refactored the WSF_DEFAULT_SERVICE_LAUNCHER
Added WSF_DEFAULT_SERVICE to be more user friendly
Splitted the wsf/default/ libraries to have wsf/connector/... and being able to handle more than one connector in the same application

library/server/wsf/router/wsf_agent_handler.e

@@ -1,6 +1,5 @@
 note
 	description: "Summary description for WSF_AGENT_HANDLER."
-	author: ""
 	date: "$Date$"
 	revision: "$Revision$"
 

library/server/wsf/router/wsf_response_handler.e

@@ -17,7 +17,7 @@ deferred class
 inherit
 	WSF_HANDLER [C]
 
-feature -- Execution
+feature -- Response
 
 	response (ctx: C; req: WSF_REQUEST): WSF_RESPONSE_MESSAGE
 		require
@@ -27,7 +27,7 @@ feature -- Execution
 			Result_attached: Result /= Void
 		end
 
-feature -- Implementation
+feature -- Execution
 
 	execute (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
 			-- Execute request handler