SF patch #747364:  BaseHTTPServer doesn't need StringIO intermediary
(Contributed by Andrew Dalke.)
diff --git a/Lib/BaseHTTPServer.py b/Lib/BaseHTTPServer.py
index edb15ab..15e7525 100644
--- a/Lib/BaseHTTPServer.py
+++ b/Lib/BaseHTTPServer.py
@@ -75,7 +75,6 @@
 import socket # For gethostbyaddr()
 import mimetools
 import SocketServer
-import cStringIO
 
 # Default error message
 DEFAULT_ERROR_MESSAGE = """\
@@ -276,17 +275,8 @@
             return False
         self.command, self.path, self.request_version = command, path, version
 
-        # Deal with pipelining
-        bytes = ""
-        while 1:
-            line = self.rfile.readline()
-            bytes = bytes + line
-            if line == '\r\n' or line == '\n' or line == '':
-                break
-
         # Examine the headers and look for a Connection directive
-        hfile = cStringIO.StringIO(bytes)
-        self.headers = self.MessageClass(hfile)
+        self.headers = self.MessageClass(self.rfile, 0)
 
         conntype = self.headers.get('Connection', "")
         if conntype.lower() == 'close':