Added automated disconnect

src/app.cpp

@@ -58,6 +58,10 @@ App::App(const Wt::WEnvironment &env, Broadcast &server):
     messageReceived_ = std::make_unique<Wt::WSound>("newmessage.mp3");
 }
 
+App::~App() {
+    server_.disconnect(this);
+}
+
 void App::initApp() {
     setTitle("YP Direct Chat");
     setCssTheme("");

src/app.h

@@ -15,6 +15,7 @@ namespace Magick {
 class App : public Wt::WApplication, public Client {
 public:
     App(const Wt::WEnvironment& env, Broadcast& server);
+    ~App();
 
 private:
     std::unordered_map<std::string, std::string> genders_ {