Fixes for close and cleanup of sessions, dcb, router sessions etc.

Fix memory leak in config

Fix for debug command execution without second argument

include/spinlock.h

@@ -31,7 +31,7 @@
 #include <thread.h>
 
 typedef struct spinlock {
-	volatile int	lock;
+	int		lock;
 #if DEBUG
 	int		spins;
 	int		acquired;