Fixed primary data problems, speedup using moar C and now provide layer info
diff --git a/Makefile.PL b/Makefile.PL
index 804bcaf..7ee0a7a 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -21,7 +21,8 @@
     'strict'        => 0,
     'warnings'      => 0,
     'utf8'          => 0,
-    'bytes'         => 0
+    'bytes'         => 0,
+    'List::MoreUtils' => 0.33
   },
 #  LICENSE      => 'perl',
   MIN_PERL_VERSION => '5.016',