Revision history for Class-Sniff

0.07    15/02/2009
        - combine_graphs method added.  Now it's trivial to see inheritance
          hierarchies.
        - Allow an instance of an object to be passed to the constructor, not
          just a class name.
        - Removed the 'tree' representation. Code is much easier to read as a
          result.

0.06    03/02/2009
        - Experimental 'method length' support.
        - Circular paths are now a fatal error.

0.05    02/02/2009
        - Added experimental support for tracking duplicate methods.
        - Started documentation reorganization.

0.04    02/02/2009
        - Added 'exported' to detect exported 'methods'.
        - Added "report" method to create a simple, human-readable report.
        - Added "build_path" fix from Aristotle.

0.03    01/02/2009
        - Added 'multiple_inheritance' method.
        - Added support for including the "UNIVERSAL" class.

0.02    01/02/2009
        - Added documentation.
        - Made the 'unreachable' return more sane.

0.01    01/02/2009
        - First version, released on an unsuspecting world.