Update for 0.7.7 release.
diff --git a/CHANGELOG b/CHANGELOG
index 0df4afd..e4e10c3 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,15 @@
+0.7.7
+   More fixes for App Engine, now less likely to swallow important exceptions.
+   Adding proxy_info_from_* methods to Python3. Reviewed in https://codereview.appspot.com/6588078/.
+   Added GeoTrust cert
+   Make httplib2.Http() instances pickleable. Reviewed in https://codereview.appspot.com/6506074/
+
+   The following issues have been fixed:
+
+   229 python3 httplib2 clobbers multiple headers of same key
+   230 Expose meaningful exception for App Engine URLFetch ResponseTooLargeError
+   231 Expose App Engine URLFetch DeadlineExceededError for debugging purposes
+
 0.7.6
    Fixes for App Engine 2.7.
 
diff --git a/python2/httplib2/__init__.py b/python2/httplib2/__init__.py
index 69795b8..d0e1045 100644
--- a/python2/httplib2/__init__.py
+++ b/python2/httplib2/__init__.py
@@ -1063,10 +1063,6 @@
     raise ImportError  # Bail out; we're not actually running on App Engine.
   from google.appengine.api.urlfetch import fetch
   from google.appengine.api.urlfetch import InvalidURLError
-  from google.appengine.api.urlfetch import DownloadError
-  from google.appengine.api.urlfetch import ResponseTooLargeError
-  from google.appengine.api.urlfetch import SSLCertificateError
-
 
   class ResponseDict(dict):
     """Dictionary with a read() method; can pass off as httplib.HTTPResponse."""