Fix lots of broken links in the docs, found by Sphinx' external link checker.
diff --git a/Doc/library/mimetools.rst b/Doc/library/mimetools.rst
index 8da385e..7813867 100644
--- a/Doc/library/mimetools.rst
+++ b/Doc/library/mimetools.rst
@@ -73,7 +73,7 @@
Module :mod:`multifile`
Support for reading files which contain distinct parts, such as MIME data.
- http://www.cs.uu.nl/wais/html/na-dir/mail/mime-faq/.html
+ http://faqs.cs.uu.nl/na-dir/mail/mime-faq/.html
The MIME Frequently Asked Questions document. For an overview of MIME, see the
answer to question 1.1 in Part 1 of this document.