Add two items

Doc/whatsnew/whatsnew25.tex

@@ -1125,6 +1125,14 @@ a line like this near the top of the source file:
 # -*- coding: latin1 -*-
 \end{verbatim}
 
+\item One error that Python programmers sometimes make is forgetting
+to include an \file{__init__.py} module in a package directory.
+Debugging this mistake can be confusing, and usually requires running
+Python with the \programopt{-v} switch to log all the paths searched.
+In Python 2.5, a new \exception{ImportWarning} warning is raised when
+an import would have picked up a directory as a package but no
+\file{__init__.py} was found.  (Implemented by Thomas Wouters.)
+
 \item The list of base classes in a class definition can now be empty.  
 As an example, this is now legal:
 
@@ -1440,6 +1448,15 @@ functions for finding packages, was enhanced to support PEP 302's
 import hooks and now also works for packages stored in ZIP-format archives.
 (Contributed by Phillip J. Eby.)
 
+\item The pybench benchmark suite by Marc-Andr\'e~Lemburg is now
+included in the \file{Tools/pybench} directory.  The pybench suite is
+an improvement on the commonly used \file{pystone.py} program because
+pybench provides a more detailed measurement of the interpreter's
+performance.  It times particular operations such as function calls,
+tuple slicing, method lookups, and numeric operations, instead of
+performing many different operations and reducing the result to a
+single number as \file{pystone.py} does.
+
 \item The old \module{regex} and \module{regsub} modules, which have been 
 deprecated ever since Python 2.0, have finally been deleted.  
 Other deleted modules: \module{statcache}, \module{tzparse},