Added camera operations and better input handling

src/InputHandler.cpp

@@ -10,18 +10,21 @@ InputHandler::~InputHandler() {
 	//Free all Commands
 }
 
-void InputHandler::handleInput(SDL_Event *event) {
+Command* InputHandler::handleInput(SDL_Event *event) {
 	if(event == NULL) {
-		return;
+		return NULL;
 	}
 	switch (event->type) {
 		case SDL_KEYDOWN: 
 			std::cout << "The Key " << SDL_GetKeyName(event->key.keysym.sym) << " has been pressed!" << std::endl;
-
+			return NULL;
 			break;
 		case SDL_KEYUP: 
 			std::cout << "The Key " << SDL_GetKeyName(event->key.keysym.sym) << " has been released!" << std::endl;
+			return NULL;
 			break;
-		default: break;
+		default: 
+		return NULL;
+		break;
 	}
 }