class Honeybadger::Config::Mash

def method_missing(method_name, *args, &block)
  m = method_name.to_s
  if mash?(m)
    return Mash.new(config, prefix: key(m), hash: hash)
  elsif setter?(m)
    return hash.send(:[]=, key(m).to_sym, args[0])
  elsif getter?(m)
    return get(key(m))
  end
  super
end