class Github::API

def self.inherited(child_class)
  before_callbacks.reverse_each { |callback|
    child_class.before_callbacks.unshift(callback)
  }
  after_callbacks.reverse_each { |callback|
    child_class.after_callbacks.unshift(callback)
  }
  extend_with_actions(child_class)
  unless child_class.instance_variable_defined?(:@root)
    child_class.instance_variable_set(:@root, false)
  end
  super
end