update changes for 1.3.3

README.rdoc

@@ -355,6 +355,12 @@ run on port 11211) and memcache-client installed.
 * July 16, 2011: Sixteenth public release 1.3.2
   * Fix for Rails and rack-test, Rack::Utils#escape calls to_s
 
+* Not Yet Released: Seventeenth public release 1.3.3
+  * Fix bug with broken query parameters in Rack::ShowExceptions
+  * Rack::Request#cookies no longer swallows exceptions on broken input
+  * Prevents XSS attacks enabled by bug in Ruby 1.8's regexp engine
+  * Rack::ConditionalGet handles broken If-Modified-Since helpers
+
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