class Github::API

def set(option, value=(not_set=true), ignore_setter=false, &block)
  raise ArgumentError, 'value not set' if block and !not_set
  return self if !not_set and value.nil?
  if not_set
    set_options option
    return self
  end
  if respond_to?("#{option}=") and not ignore_setter
    return __send__("#{option}=", value)
  end
  define_accessors option, value
  self
end