chore(ruff): use names not magic numbers. This one names the 32 chars as being equivalent to 256 bytes Also adds the missing http_.client.TOO_MANY_REQUESTS under python 2 to http_. It allows me to use a symbolic name and not have to touch client.py code when I remove python2 support from http_. Also the prior checkin had a bogus commit message. Sigh, time to step away from the computer today 8-). It replaced a magic number with MAX_MIME_EXTENSION_LENGTH which was set to a better magic number derived by parsing extensions in /etc/mime.types.

Other Docs
==========

.. toctree::
   :maxdepth: 2

   docs/upgrading-history

   docs/tracker_templates

   Design Overview <docs/overview>
   Design (original) <docs/design>

   Software Carpentry and Short Papers <docs/sc>

   docs/developers

   Notes about the MySQL Database backend <docs/mysql>
   Notes about the PostgreSQL Database backend <docs/postgresql>

   Richard Jones implementation notes <docs/implementation>
   docs/security-history