Add constant into special pragmas list
Checking in changes prior to tagging of version 0.12.

Changelog diff is:

diff --git a/Changes b/Changes
index 3db7a43..e58f24f 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension Perl-PrereqScanner-Lite

 {{$NEXT}}

+0.12 2014-03-21T14:35:16Z
+
+    - Fix the handling of `use constant`
+
 0.11 2014-03-21T13:44:07Z

     - Bug fix