diff --git a/ChangeLog.md b/ChangeLog.md
index 6ec5e57..f6b88ab 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -24,6 +24,23 @@ Upcoming
 Unscheduled
 -----------
 
+
+* Support reusing TCP connections, and "pipelining" of requests, a la
+  RFC 2068, Sect 8.1, L2377
+
+    - The user must ask for pipelining, and supply a callback function
+      to be called after a response is received.
+    - Rename Client.request() -> Client.addRequest() (or such)
+    - Have Client.addRequest() check whether a persistent connection is
+      wanted, and save the entire request in a Client.pendingRequests
+      list in that case
+    - Create a new Client.sendRequests() method which the user may call
+      to send all requests up the pipeline. (It should work even if the
+      server does not support pipelining)
+    - Call the user-supplied callback whenever a request is received.
+      There are some concurrency issues here, and we may elect to call
+      the callback only after *all* requests are received.
+
 * Create a script to pack the basic module and any given set of
   service-specific classes as one file. I still like the idea that a
   given API (e.g. Facebook) could be packed into a single file, and
@@ -82,6 +99,10 @@ v2.0
     - Use `application/octet-stream` for unknown media type
     - Spell 'GitHub' correctly
 
+* Parse Content-Type header correctly; make a dict of the
+  parameters (Content.ctypeParameters) available to the media-type
+  handlers
+
 v1.3
 ----
 A stable branch, with a lot of bug fixes! (Thanks to all who
diff --git a/agithub/GitHub.py b/agithub/GitHub.py
index 32cdf07..6a8d49b 100644
--- a/agithub/GitHub.py
+++ b/agithub/GitHub.py
@@ -51,8 +51,8 @@ def generateAuthHeader(self, username=None, password=None, token=None):
         if token is not None:
             if password is not None:
                 raise TypeError(
-                    "You cannot use both password and oauth token "
-                    "authenication"
+                    "You cannot use both password and OAuth token "
+                    "authentication"
                 )
             return 'Token %s' % token
         elif username is not None:
diff --git a/agithub/base.py b/agithub/base.py
index 555a1c6..386d4d7 100644
--- a/agithub/base.py
+++ b/agithub/base.py
@@ -3,6 +3,8 @@
 import json
 from functools import partial, update_wrapper
 
+import xml.dom.minidom
+
 import sys
 if sys.version_info[0:2] > (3, 0):
     from http.client import HTTPConnection, HTTPSConnection
@@ -134,18 +136,12 @@ def setConnectionProperties(self, prop):
                 "Expected ConnectionProperties object"
             )
 
+        self.default_headers = _default_headers.copy()
         if prop.extra_headers is not None:
             prop.filterEmptyHeaders()
-            self.default_headers = _default_headers.copy()
             self.default_headers.update(prop.extra_headers)
         self.prop = prop
 
-        # Enforce case restrictions on self.default_headers
-        tmp_dict = {}
-        for k, v in self.default_headers.items():
-            tmp_dict[k.lower()] = v
-        self.default_headers = tmp_dict
-
     def head(self, url, headers=None, **params):
         headers = headers or {}
         url += self.urlencode(params)
@@ -223,7 +219,7 @@ def _fix_headers(self, headers):
         # Add default headers (if unspecified)
         for k, v in self.default_headers.items():
             if k not in headers:
-                headers[k] = v
+                headers[k.lower()] = v
         return headers
 
     def urlencode(self, params):
@@ -315,7 +311,7 @@ def decode_body(self):
 
     def processBody(self):
         """
-        Retrieve the body of the response, encoding it into a usuable
+        Retrieve the body of the response, encoding it into a usable
         form based on the media-type (mime-type)
         """
         handlerName = self.mangled_mtype()
@@ -347,8 +343,24 @@ def application_json(self):
     text_javascript = application_json
     # XXX: This isn't technically correct, but we'll hope for the best.
     # Patches welcome!
-    # Insert new media-type handlers here
 
+    def application_xml(self):
+        self.decode_body()
+
+        try:
+            pybody = xml.dom.minidom.parseString(self.body)
+        except Exception: #TODO: What kind of exceptions?
+            pybody = self.body
+
+        return pybody
+
+
+    text_xml = application_xml
+    # The difference between text/xml and application/xml is whether it
+    # is human-readable or not. For our purposes, there is no
+    # difference. RFC 3023, L270.
+
+    # Insert new Response media-type handlers here
 
 class RequestBody(Body):
     """
diff --git a/agithub/test.py b/agithub/test.py
index c4fe612..5d101c0 100755
--- a/agithub/test.py
+++ b/agithub/test.py
@@ -44,21 +44,14 @@ def doTestsFor(self, api):
                 raise ValueError('Bad test result ' + (res))
 
         print(
-            '\n'
-            ' Results\n'
-            '--------------------------------------\n'
-            'Tests Run:     ',
-            len(results),
-            '\n'
-            '      Passed:  ',
-            passes,
-            '\n'
-            '      Failed:  ',
-            fails,
-            '\n'
-            '      Skipped: ',
-            skips
-        )
+                '\n'
+                ' Results\n'
+                '--------------------------------------\n'
+                'Tests Run:     ', len(results), '\n'
+                '      Passed:  ', passes, '\n'
+                '      Failed:  ', fails, '\n'
+                '      Skipped: ', skips
+            )
 
     def runTest(self, test, api):
         """Run a single test with the given API session"""