Let ghosts already returning continue when another ghost is caught

Only catch one ghost per frame
Fix new game shortcut

core/src/com/me/pacman/state/PlayState.java

@@ -407,8 +407,8 @@ public class PlayState extends LevelState {
                 ghostCaught(ghost);
             } else if (!(ghost.currentBehaviour instanceof ReturnToBase)) {
                 pacmanCaught();
-                return true;
             }
+            return true;
         }
         return false;
     }
@@ -454,12 +454,20 @@ public class PlayState extends LevelState {
                     }
                 }
                 break;
-            default:
+            case GHOST_CAUGHT_POINTS_WAIT:
+                for (Ghost ghost : ghosts) {
+                    if (ghost.currentBehaviour instanceof ReturnToBase && ghost != lastGhostCaptured) {
+                        ghost.update(dt);
+                    }
+                }
+                break;
+        }
+
+        if (state.timer > 0) {
             stateTimer -= dt;
             if (stateTimer <= 0) {
                 stateTransition();
             }
-                break;
         }
     }
 
@@ -490,6 +498,7 @@ public class PlayState extends LevelState {
                     break;
                 case Input.Keys.N:
                     preNewGame();
+                    setGameState(GameState.PRE_NEW_GAME);
                     break;
             }
             return super.keyDown(keycode);