Move the suspicious header check to a rule and add a doctest.
tree288a2d291a2c3ea97c3de4a8f6c49ec9d2ef77f0
-rw-r--r-- 114 .bzrignore
-rw-r--r-- 40 MANIFEST.in
drwxr-xr-x - Mailman
-rw-r--r-- 6778 README.txt
-rw-r--r-- 564 TODO.txt
drwxr-xr-x - bin
drwxr-xr-x - contrib
drwxr-xr-x - cron
drwxr-xr-x - data
drwxr-xr-x - docs
-rw-r--r-- 8546 ez_setup.py
drwxr-xr-x - scripts
-rw-r--r-- 3486 setup.py
drwxr-xr-x - tests