Merge appache_fix

http://code.google.com/p/pywebsocket/issue/detail?id=51

diff --git a/src/setup.py b/src/setup.py
index a34a83b..80e6895 100755
--- a/src/setup.py
+++ b/src/setup.py
@@ -54,7 +54,7 @@
               'See mod_pywebsocket/__init__.py for more detail.'),
       license='See COPYING',
       name=_PACKAGE_NAME,
-      packages=[_PACKAGE_NAME],
+      packages=[_PACKAGE_NAME, _PACKAGE_NAME + '.handshake'],
       url='http://code.google.com/p/pywebsocket/',
       version='0.4.9.2',
       )