Checking in changes prior to tagging of version 1.4.8.

Changelog diff is:

diff --git a/Changes b/Changes
index 4b88b17..beee03a 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension App::plenv

 {{$NEXT}}

+1.4.8 2013-03-28T02:39:34Z
+
+    - re-packaging
+      (tokuhirom)
+
 1.4.7 2013-03-27T12:22:53Z

     - 1.4.5 & 1.4.6 was broken if you are using plenv by `git clone`.