* Migrate set() and frozenset() from the sandbox.
* Install the unittests, docs, newsitem, include file, and makefile update.
* Exercise the new functions whereever sets.py was being used.

Includes the docs for libfuncs.tex.  Separate docs for the types are
forthcoming.
diff --git a/Lib/test/test___all__.py b/Lib/test/test___all__.py
index 99eaa59..0370c1a 100644
--- a/Lib/test/test___all__.py
+++ b/Lib/test/test___all__.py
@@ -2,7 +2,6 @@
 from test import test_support
 
 from test.test_support import verify, verbose
-from sets import Set
 import sys
 import warnings
 
@@ -43,8 +42,8 @@
         exec "from %s import *" % modname in names
         if names.has_key("__builtins__"):
             del names["__builtins__"]
-        keys = Set(names)
-        all = Set(sys.modules[modname].__all__)
+        keys = set(names)
+        all = set(sys.modules[modname].__all__)
         verify(keys==all, "%s != %s" % (keys, all))
 
     def test_all(self):