Version 0.8.13 - 18 November 2003
* Add -s/--shadowbuiltin option to warn when overriding a builtin
* Add warning when assigning a variable to itself
* Add warning when dividing a variable by itself
* Add warnings when using a bit-wise operator with the same variable (a & a)
* Add warning when passing a constant string to getattr()/setattr()
* Add --special option to check for __special__ (reserved) method names
and that their signature (argument count) is correct
* Add warning for using __getattribute__ in an old-style class
* Suppress 'self as first argument' warning for static and class methods
* Add --classmethodargs option to specify first argument name
for class methods
