ASyncDBConnection uses Qt signals now for reporting state changes and notices

src/pglab/main.cpp

@@ -5,6 +5,8 @@
 #endif
 #include <memory>
 #include "GlobalIoService.h"
+#include "ASyncDBConnection.h"
+#include "Pgsql_Result.h"
 
 int main(int argc, char *argv[])
 {
@@ -22,6 +24,9 @@ int main(int argc, char *argv[])
 	}
 #endif
 
+    qRegisterMetaType<ASyncDBConnection::State>();
+    qRegisterMetaType<Pgsql::ErrorDetails>();
+
 	QApplication a(argc, argv);
 
 	QCoreApplication::setOrganizationName("pglab");