modernize package. switched to Module::Build
You can specify the file generation rule as coderef.
Checking in changes prior to tagging of version 0.03.

Changelog diff is:

diff --git a/Changes b/Changes
index fd85095..b05a325 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,15 @@
 Revision history for Perl extension File::Stamped

+0.03 2013-01-20T18:59:22
+
+    [NEW FEATURE]
+    - You can specify the 'callback' to generate file name.
+      This feature makes customizable file name generation.
+      (tokuhirom)
+
+    [MISC]
+    - switched to M::B from M::I.
+
 0.02

         - updated docs