Added tester console application

Typo fixes
Fixed a bug where bus handle wasn't checked correctly

app/Tester/Tester.cpp

@@ -0,0 +1,47 @@
+// Tester.cpp : This file contains the 'main' function. Program execution begins and ends there.
+//
+
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#include <ViGEm/Client.h>
+
+#include <iostream>
+
+VOID CALLBACK notification(
+    PVIGEM_CLIENT Client,
+    PVIGEM_TARGET Target,
+    UCHAR LargeMotor,
+    UCHAR SmallMotor,
+    UCHAR LedNumber
+)
+{
+    std::cout << LargeMotor << " " << SmallMotor << std::endl;
+}
+
+int main()
+{
+    const auto client = vigem_alloc();
+
+    const auto x360 = vigem_target_x360_alloc();
+
+    auto ret = vigem_target_add(client, x360);
+
+    ret = vigem_target_x360_register_notification(client, x360, &notification);
+
+    getchar();
+
+    vigem_target_remove(client, x360);
+    vigem_target_free(x360);
+    vigem_free(client);
+}
+
+// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
+// Debug program: F5 or Debug > Start Debugging menu
+
+// Tips for Getting Started: 
+//   1. Use the Solution Explorer window to add/manage files
+//   2. Use the Team Explorer window to connect to source control
+//   3. Use the Output window to see build output and other messages
+//   4. Use the Error List window to view errors
+//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
+//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file