Checking in changes prior to tagging of version 0.35.

Changelog diff is:

diff --git a/Changes b/Changes
index ceee3af..0a6c296 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,7 @@
 Revision history for Perl extension CGI::Header.

+0.35  Mar 22nd, 2013
+
   - lc() is obsolete and will be removed in 0.36
   - get(), set(), exists() or delete() throws an exception
     in the following situation: