Checking in changes prior to tagging of version 1.20.

Changelog diff is:

diff --git Changes Changes
index edca602..ca455e2 100644
--- Changes
+++ Changes
@@ -2,6 +2,11 @@ Revision history for Perl module SQL::Maker

 {{$NEXT}}

+1.20 2014-07-31T20:59:30Z
+
+    - DateTime is a testing deps
+      (Gelu Lupas)
+
 1.19 2014-07-30T09:32:20Z

     - Fix issue 38: update() and delete() cannot use SQL::QueryMaker