Set HTTPServer class variable allow_reuse_address to 1, so restarting
the server after it died doesn't require a wait period.
diff --git a/Lib/BaseHTTPServer.py b/Lib/BaseHTTPServer.py
index 10a706e..ea5095a 100644
--- a/Lib/BaseHTTPServer.py
+++ b/Lib/BaseHTTPServer.py
@@ -87,6 +87,8 @@
 
 class HTTPServer(SocketServer.TCPServer):
 
+    allow_reuse_address = 1    # Seems to make sense in testing environment
+
     def server_bind(self):
         """Override server_bind to store the server name."""
         SocketServer.TCPServer.server_bind(self)