Version 1.2.1

This release fixes a couple of documentation glitches, notably an excessively long description string that makes PyPI interactions with pip annoying. There are no code or functionality changes in this release compared to version 1.2.0.

Urlup is a small utility program and Python 3 package to dereference URLs and determine their final destinations after following redirections. It provides diagnostics and HTTP status codes if desired. It can be used from the command line, and it also provides a Python 3 module that can be called programmatically. Urlup can be pronounced "urrrl-up".