class ActiveSupport::Configurable::Configuration

def self.compile_methods!(keys)

Compiles reader methods so we don't have to go through method_missing. 
def self.compile_methods!(keys)
  keys.reject { |m| method_defined?(m) }.each do |key|
    class_eval <<-RUBY, __FILE__, __LINE__ + 1
      def #{key}; _get(#{key.inspect}); end
    RUBY
  end
end

def compile_methods! 

def compile_methods!
  self.class.compile_methods!(keys)
end