If show_pass, then base64 the password before writing it to the output

If show_pass, then base64 the password before writing it to the output

2000-11-03  Jeffrey Stedfast  <fejj@helixcode.com>

	* camel-url.c (camel_url_to_string): If show_pass, then base64 the
	password before writing it to the output string.
	(camel_url_new): Assume password has been base64 encoded and
	decode accordingly.