Fix bug where night would abruptly end if there are no wolves alive to receive gun.
small cleanup / bugfix in !roles
fix grammar mistake in headshot message (again)
Do not display duplicate death messages, a night kill overrides any chained kills (lovers, scientists, assassins, etc.)
Allow hunter to change their kill at night using !kill without needing to !retract first
Add option for mad scientist to skip over dead players, based on how many players joined the game