added build notes for vs.net 2005, removed old code from ip_filter.cpp, fixed problem where the stats could become incorrect in case of very high cpu load, added asserts in storage::read() to make sure one is not trying to read out of bounds.

examples/client_test.cpp

@@ -512,6 +512,7 @@ int main(int ac, char* av[])
 
 		session_settings settings;
 		settings.user_agent = "client_test " LIBTORRENT_VERSION;
+		settings.sequenced_download_threshold = 15;
 
 		std::deque<std::string> events;