Checking in changes prior to tagging of version 0.06.

Changelog diff is:

diff --git a/Changes b/Changes
index 1a96d0a..87c06dd 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension Perl-Lexer

 {{$NEXT}}

+0.06 2014-05-27T09:55:06Z
+    - Supported 5.20.0
+
 0.05 2014-04-28T08:14:28Z
     - Supported 5.19.11
     - Removed duplicated headers