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/introspection/piintrospection_server_p.cpp

@@ -139,8 +139,10 @@ PIByteArray PIIntrospection::packThreads() {
 		PIMap<PIThread *, PIIntrospectionThreads::ThreadInfo> & tm(p->threads);
 		auto it = tm.makeIterator();
 		while (it.next()) {
-			it.value().classname = PIStringAscii(it.key()->className());
-			it.value().name      = it.key()->name();
+			if (it.key()->isPIObject()) {
+				it.value().classname = PIStringAscii(it.key()->className());
+				it.value().name      = it.key()->name();
+			}
 		}
 		ret << tm.values();
 		p->mutex.unlock();