Checking in changes prior to tagging of version 0.17.

Changelog diff is:

diff --git a/Changes b/Changes
index 90b7e2c..94b366c 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,8 @@ Revision history for Perl extension App-revealup

 {{$NEXT}}

+0.17 2014-12-19T20:11:36Z
+
     - improve implementation of base.pm
     - fixed POD