* 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/Python/bltinmodule.c b/Python/bltinmodule.c
index 35283fc..2fb8206 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -2116,12 +2116,14 @@
 	SETBUILTIN("dict",		&PyDict_Type);
  	SETBUILTIN("enumerate",		&PyEnum_Type);
 	SETBUILTIN("float",		&PyFloat_Type);
+	SETBUILTIN("frozenset",		&PyFrozenSet_Type);
 	SETBUILTIN("property",		&PyProperty_Type);
 	SETBUILTIN("int",		&PyInt_Type);
 	SETBUILTIN("list",		&PyList_Type);
 	SETBUILTIN("long",		&PyLong_Type);
 	SETBUILTIN("object",		&PyBaseObject_Type);
 	SETBUILTIN("reversed",		&PyReversed_Type);
+	SETBUILTIN("set",		&PySet_Type);
 	SETBUILTIN("slice",		&PySlice_Type);
 	SETBUILTIN("staticmethod",	&PyStaticMethod_Type);
 	SETBUILTIN("str",		&PyString_Type);