About the issue where your game is showing as having deleted DLC's or lost game totally. Go to your Steam app. Go to Steam < Settings < Downloads < Clear Download Cache. This should restart Steam and you should have access to your game & DLCs.
After continuing testing her today and versing some sweaty swf groups I'm absolutly convinced that the changes you made on Nurse are overkill. Change back her basekit. Do with the addons whatever you want, but revert her basekit.