Fix sometimes ammo schemes not being saved after changing before an ammo scheme got deleted in session This was because the bool isDeleting is not initialized, so its initial value is unpredictable. Which means there's chance it starts with true, confusing the frontend.

one more pattern

Use maybeNick from Utils, fixes empty nickname inserted in ROOMS protocol command parameters. Not tested, but builds, and it's Haskell...

you know what... I think everything would have been fine if we'd simply required all this hog stuff to be in the same block...