Checking in changes prior to tagging of version 0.65.

Changelog diff is:

diff --git a/Changes b/Changes
index 087b510..3bb5b0d 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,8 @@
 Revision history for App-gh

+0.65
+    - Replace JSON::XS with JSON
+
 0.64
     - Fix the `clone` command.