diff --git a/Lib/idlelib/configDialog.py b/Lib/idlelib/configDialog.py
index 20ed827..6482119 100644
--- a/Lib/idlelib/configDialog.py
+++ b/Lib/idlelib/configDialog.py
@@ -30,6 +30,7 @@
         self.wm_withdraw()
 
         self.configure(borderwidth=5)
+        self.title('IDLE Preferences')
         self.geometry("+%d+%d" % (parent.winfo_rootx()+20,
                 parent.winfo_rooty()+30))
         #Theme Elements. Each theme element key is its display name.
diff --git a/Lib/multiprocessing/pool.py b/Lib/multiprocessing/pool.py
index 5c1805f..d3ecc9b 100644
--- a/Lib/multiprocessing/pool.py
+++ b/Lib/multiprocessing/pool.py
@@ -208,6 +208,8 @@
             chunksize, extra = divmod(len(iterable), len(self._pool) * 4)
             if extra:
                 chunksize += 1
+        if len(iterable) == 0:
+            chunksize = 0
 
         task_batches = Pool._get_tasks(func, iterable, chunksize)
         result = MapResult(self._cache, chunksize, len(iterable), callback)
diff --git a/Lib/platform.py b/Lib/platform.py
index 21e098b..640098f 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -32,6 +32,7 @@
 #
 #    <see CVS and SVN checkin messages for history>
 #
+#    1.0.7 - added DEV_NULL
 #    1.0.6 - added linux_distribution()
 #    1.0.5 - fixed Java support to allow running the module on Jython
 #    1.0.4 - added IronPython support
@@ -89,7 +90,7 @@
 
 __copyright__ = """
     Copyright (c) 1999-2000, Marc-Andre Lemburg; mailto:mal@lemburg.com
-    Copyright (c) 2000-2008, eGenix.com Software GmbH; mailto:info@egenix.com
+    Copyright (c) 2000-2009, eGenix.com Software GmbH; mailto:info@egenix.com
 
     Permission to use, copy, modify, and distribute this software and its
     documentation for any purpose and without fee or royalty is hereby granted,
@@ -108,10 +109,25 @@
 
 """
 
-__version__ = '1.0.6'
+__version__ = '1.0.7'
 
 import sys, os, re
 
+### Globals & Constants
+
+# Determine the platform's /dev/null device
+try:
+    DEV_NULL = os.devnull
+except AttributeError:
+    # os.devnull was added in Python 2.4, so emulate it for earlier
+    # Python versions
+    if sys.platform in ('dos','win32','win16','os2'):
+        # Use the old CP/M NUL as device name
+        DEV_NULL = 'NUL'
+    else:
+        # Standard Unix uses /dev/null
+        DEV_NULL = '/dev/null'
+
 ### Platform specific APIs
 
 _libc_search = re.compile(r'(__libc_init)'
@@ -446,7 +462,16 @@
 
 _ver_output = re.compile(r'(?:([\w ]+) ([\w.]+) '
                          '.*'
-                         'Version ([\d.]+))', re.ASCII)
+                         '\[.* ([\d.]+)\])')
+
+# Examples of VER command output:
+#
+#   Windows 2000:  Microsoft Windows 2000 [Version 5.00.2195]
+#   Windows XP:    Microsoft Windows XP [Version 5.1.2600]
+#   Windows Vista: Microsoft Windows [Version 6.0.6002]
+#
+# Note that the "Version" string gets localized on different
+# Windows versions.
 
 def _syscmd_ver(system='', release='', version='',
 
@@ -578,6 +603,7 @@
     version = '%i.%i.%i' % (maj,min,buildno & 0xFFFF)
     if csd[:13] == 'Service Pack ':
         csd = 'SP' + csd[13:]
+
     if plat == VER_PLATFORM_WIN32_WINDOWS:
         regkey = 'SOFTWARE\\Microsoft\\Windows\\CurrentVersion'
         # Try to guess the release name
@@ -592,6 +618,7 @@
                 release = 'postMe'
         elif maj == 5:
             release = '2000'
+
     elif plat == VER_PLATFORM_WIN32_NT:
         regkey = 'SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion'
         if maj <= 4:
@@ -620,8 +647,12 @@
                         release = 'Vista'
                     else:
                         release = '2008Server'
+            #elif min == 1:
+            #    # Windows 7 release candidate uses version 6.1.7100
+            #    release = '7RC'
             else:
                 release = 'post2008Server'
+
     else:
         if not release:
             # E.g. Win3.1 with win32s
@@ -902,7 +933,7 @@
         # XXX Others too ?
         return default
     try:
-        f = os.popen('uname %s 2> /dev/null' % option)
+        f = os.popen('uname %s 2> %s' % (option, DEV_NULL))
     except (AttributeError,os.error):
         return default
     output = f.read().strip()
@@ -927,7 +958,7 @@
         return default
     target = _follow_symlinks(target)
     try:
-        f = os.popen('file "%s" 2> /dev/null' % target)
+        f = os.popen('file "%s" 2> %s' % (target, DEV_NULL))
     except (AttributeError,os.error):
         return default
     output = f.read().strip()
diff --git a/Lib/test/test_kqueue.py b/Lib/test/test_kqueue.py
index dd1ecc8..5ba21a2 100644
--- a/Lib/test/test_kqueue.py
+++ b/Lib/test/test_kqueue.py
@@ -163,6 +163,22 @@
         server.close()
         serverSocket.close()
 
+    def testPair(self):
+        kq = select.kqueue()
+        a, b = socket.socketpair()
+
+        a.send(b'foo')
+        event1 = select.kevent(a, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
+        event2 = select.kevent(b, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
+        r = kq.control([event1, event2], 1, 1)
+        self.assertTrue(r)
+        self.assertFalse(r[0].flags & select.KQ_EV_ERROR)
+        self.assertEquals(b.recv(r[0].data), b'foo')
+
+        a.close()
+        b.close()
+        kq.close()
+
 def test_main():
     support.run_unittest(TestKQueue)
 
diff --git a/Lib/test/test_multiprocessing.py b/Lib/test/test_multiprocessing.py
index 9d58cdc..2189ff5 100644
--- a/Lib/test/test_multiprocessing.py
+++ b/Lib/test/test_multiprocessing.py
@@ -990,6 +990,12 @@
         self.assertEqual(pmap(sqr, list(range(100)), chunksize=20),
                          list(map(sqr, list(range(100)))))
 
+    def test_map_chunksize(self):
+        try:
+            self.pool.map_async(sqr, [], chunksize=1).get(timeout=TIMEOUT1)
+        except multiprocessing.TimeoutError:
+            self.fail("pool.map_async with chunksize stalled on null list")
+
     def test_async(self):
         res = self.pool.apply_async(sqr, (7, TIMEOUT1,))
         get = TimingWrapper(res.get)
diff --git a/Lib/test/test_unittest.py b/Lib/test/test_unittest.py
index af684c0..991740c 100644
--- a/Lib/test/test_unittest.py
+++ b/Lib/test/test_unittest.py
@@ -3303,15 +3303,6 @@
         self.assertEqual(runner.test, test)
         self.assertEqual(program.verbosity, 2)
 
-
-    def testTestProgram_testRunnerArgument(self):
-        program = object.__new__(TestProgram)
-        program.parseArgs = lambda _: None
-        program.runTests = lambda: None
-        program.__init__(testRunner=None)
-        self.assertEqual(program.testRunner, unittest.TextTestRunner)
-
-
     class FooBar(unittest.TestCase):
         def testPass(self):
             assert True
diff --git a/Lib/unittest.py b/Lib/unittest.py
index 611088b..d45f8d3 100644
--- a/Lib/unittest.py
+++ b/Lib/unittest.py
@@ -1684,8 +1684,6 @@
                  argv=None, testRunner=None,
                  testLoader=defaultTestLoader, exit=True,
                  verbosity=1):
-        if testRunner is None:
-            testRunner = TextTestRunner
         if isinstance(module, str):
             self.module = __import__(module)
             for part in module.split('.')[1:]:
@@ -1775,6 +1773,8 @@
         self.test = loader.discover(start_dir, pattern, top_level_dir)
 
     def runTests(self):
+        if self.testRunner is None:
+            self.testRunner = TextTestRunner
         if isinstance(self.testRunner, type):
             try:
                 testRunner = self.testRunner(verbosity=self.verbosity)