Checking in changes prior to tagging of version 0.06.

Changelog diff is:

diff --git Changes Changes
index 7a39aef..f92df8d 100644
--- Changes
+++ Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Data-NestedParams

 {{$NEXT}}

+0.06 2014-03-26T11:18:51Z
+
+    - Allow _ and - in hash key.
+      (tokuhirom)
+
 0.05 2014-03-21T03:03:24Z

     - Added collapse_nested_query