version 4.5.0

PIThread::stopAndWait now returns bool
PIKbdListener on Linux now use piwaitevent_p and can immediately stop
new base method piZeroMemory, also migrate all "memset 0" to piZeroMemory

libs/http_server/microhttpd_server_p.cpp

@@ -143,7 +143,7 @@ void log_callback(void * cls, const char * fmt, va_list ap) {
 	piCout << "log" << server;
 	if (!server) return;
 	char buffer[1_KiB];
-	memset(buffer, 0, 1_KiB);
+	piZeroMemory(buffer, 1_KiB);
 	std::vsnprintf(buffer, 1_KiB, fmt, ap);
 	piCout << buffer;
 }
@@ -312,7 +312,7 @@ bool MicrohttpdServer::listen(PINetworkAddress addr) {
 	key_pass = opts.value(Option::HTTPSKeyPassword).toByteArray();
 	if (key_pass.isNotEmpty()) key_pass.append(0);
 	sockaddr_in sa_addr;
-	memset(&sa_addr, 0, sizeof(sa_addr));
+	piZeroMemory(sa_addr);
 	sa_addr.sin_port        = htons(addr.port());
 	sa_addr.sin_addr.s_addr = addr.ip();
 	sa_addr.sin_family      = AF_INET;