code: function Watcher(path, handler) {
      this._ = Fs.watch(path, handler);
      this.a_path = Abs(path);
      this.handler = handler;
  }
docs: Watcher
  Creates a new instance of the internal `Watcher`.
  
  @name Watcher
  @function
  @param {String} path The path to the file.
  @param {Function} handler A function called when the file changes.