def exists?(name)
      children.find_all do |child| 
        child.name ? (child.name == name) : (File.basename(child.path) == name)
      end
    end
def exists?(name)
      children.find_all do |child| 
        child.name ? (child.name == name) : (File.basename(child.path) == name)
      end
    end
Check whether a file or group is contained within this group that has a name
 that matches the one specified

 @param [String] name of the group attempting to be found.

 @return [Array<Resource>] resource with the name that matches; empty array
   if no matches were found.