added: SessionContainer special container used by SessionManager

sessions are indexed by id and time (last used time)
changed: old sessions are deleted
       parameter: session_max_iddle in the config file
added: function 'who'


git-svn-id: svn://ttmath.org/publicrep/cmslu/trunk@483 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/function.h

@@ -27,6 +27,9 @@
 #define FUN_LOGIN   9
 #define FUN_LOGOUT  10
 #define FUN_RUN     11
+#define FUN_WHO     12
+
+
 
 
 class Function
@@ -48,7 +51,8 @@ public:
 		rm,
 		login,
 		logout,
-		run
+		run,
+		who
 	};