Add application.removeWindow, window.close, and fixes for using an empty config

project/src/ExternalInterface.cpp

@@ -461,6 +461,16 @@ namespace lime {
 	}
 	
 	
+	value lime_window_close (value window) {
+		
+		Window* targetWindow = (Window*)(intptr_t)val_float (window);
+		targetWindow->Close ();
+		delete targetWindow;
+		return alloc_null ();
+		
+	}
+	
+	
 	value lime_window_create (value application, value width, value height, value flags, value title) {
 		
 		Window* window = CreateWindow ((Application*)(intptr_t)val_float (application), val_int (width), val_int (height), val_int (flags), val_string (title));
@@ -537,6 +547,7 @@ namespace lime {
 	DEFINE_PRIM (lime_text_from_string, 4);
 	DEFINE_PRIM (lime_touch_event_manager_register, 2);
 	DEFINE_PRIM (lime_update_event_manager_register, 2);
+	DEFINE_PRIM (lime_window_close, 1);
 	DEFINE_PRIM (lime_window_create, 5);
 	DEFINE_PRIM (lime_window_event_manager_register, 2);
 	DEFINE_PRIM (lime_window_move, 3);

project/src/backend/sdl/SDLWindow.cpp

@@ -70,6 +70,17 @@ namespace lime {
 	}
 	
 	
+	void SDLWindow::Close () {
+		
+		if (sdlWindow) {
+			
+			SDL_DestroyWindow (sdlWindow);
+			
+		}
+		
+	}
+	
+	
 	void SDLWindow::Move (int x, int y) {
 		
 		SDL_SetWindowPosition (sdlWindow, x, y);

project/src/backend/sdl/SDLWindow.h

@@ -17,6 +17,7 @@ namespace lime {
 			SDLWindow (Application* application, int width, int height, int flags, const char* title);
 			~SDLWindow ();
 			
+			virtual void Close ();
 			virtual void Move (int x, int y);
 			virtual void Resize (int width, int height);
 			virtual void SetIcon (ImageBuffer *imageBuffer);