# File rice/url.rb, line 54
    def initialize(scheme, host, port=nil, path=nil, args=nil, username=nil,
		   password=nil)
	@scheme = scheme
	@host = host
	@port = port ? port.to_i : nil
	@path = path || '/'	# default path '/'
	@args = args || Hash.new() # at least an empty hash
	@username = username
	@password = password
    end