Checking in changes prior to tagging of version 1.102.

Changelog diff is:

diff --git a/Changes b/Changes
index 1e0e715..e76aac9 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,6 @@
+1.102 Wed Jul 24 13:12:28 PDT 2013
+      - Add psgix.cleanup extension
+
 1.101 Sat Jul 21 15:01:20 PDT 2012
       - Fix typos and formatting
       - Mention CGI variables ala PEP 333