Fix version and Changes

Change-Id: I16f7a1f54fc01804b02e73708108fb2195abb9a8
diff --git a/Changes b/Changes
index f9638d4..6b96591 100755
--- a/Changes
+++ b/Changes
@@ -1,3 +1,10 @@
+0.28 2018-08-16
+        - Introduced Widget based plugin system.
+        - Added corpus statistics to VC (hebasta, #25).
+        - Introduce center alignment (#63).
+        - Change KWIC lines from table style
+          to flexbox style (#31).
+
 0.27 2018-07-23
         - Introduced content blocks to create
           flexible entry lists in the footer