E&S CVS Commit: Trellis - Add SortedSet type, fix a bug where Set.added could

[pje at eby-sarna.com]

Author: pje
Date: Fri Nov  9 18:51:09 2007
New Revision: 2416

URL: http://svn.eby-sarna.com?rev=2416&view=rev
Log:
Add SortedSet type, fix a bug where Set.added could
include a redundant item.

Modified:
    Trellis/README.txt
    Trellis/peak/events/trellis.py