Improved unzip overwriting mechanism

Change-Id: I93007d3d622bd14b32b1631922e93a53d315ab23
diff --git a/Changes b/Changes
index cce79da..2bc208c 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,6 @@
+0.28 2017-04-11
+        - Improved overwriting behaviour for unzip.
+
 0.27 2017-04-10
         - Support configuration files.
         - Support temporary extraction.