Removed: The command that allowed you to edit the sign you were looking at.
/tfquiz sign edit <lineNo> "Text..."
Note that you can still use the command that allows you to edit signs when you specify a signID
/tfquiz sign edit <signID> <lineNo> "Text..."

Added: The ability to edit GameSigns by right-clicking them. This feature requires the following permission node
Fixed: A bug that created duplicate signIDs in the config.
Fixed: An error that was thrown when trying to teleport to a GameSign that no longer exists.