important:

* PIThread::~PIThread() now unregister itself from introspection, if terminates than show warning
 * PISystemMonitor now correctly stops
 * PIPeer now can correctly stopAndWait
 * PIPeer::destroy(), protected method for close all eths and threads
 * new PIINTROSPECTION_STOP macro
 * Introspection now can be correctly stopped by macro, more safety

ClientServer:
 * ClientBase::close() stop and disconnect channel
 * Server clients clean-up now event-based
 * No warnings on client destructor

libs/main/client_server/piclientserver_client_base.h

@@ -45,7 +45,7 @@ public:
 
 	const PIEthernet * getTCP() const { return tcp; }
 
-	void stop();
+	void close();
 
 	int write(const void * d, const size_t s);
 	int write(const PIByteArray & ba) { return write(ba.data(), ba.size()); }