rkh

use Rack::Config do |env|
  # Store mtimes to track changes
  @mtimes ||= Hash.new { |map, file| map[file] = File.mtime(file) }

  # Check all loaded files for changes
  $LOADED_FEATURES.each do |feature|
    file = nil

    # Let's see if we can find the file. 1.8 stores the string we
    # pass to require plus the file extension. 1.9 actually stores