Fixed visual bugs, added stud snapping

Hope I've done this properly. Stud snapping is primitive and needs work done.

src/source/PropertyWindow.cpp

@@ -79,7 +79,7 @@ LRESULT CALLBACK PropProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 		break;
 		case WM_DRAWITEM:
 			{
-				//std::cout << "Drawing?" << "\r\n";
+				std::cout << "Drawing?" << "\r\n";
 				COLORREF clrBackground;
 				COLORREF clrForeground;
 				TEXTMETRIC tm;