Added workaround for `split //`. It's not a defined-or operator.  Close #7
Checking in changes prior to tagging of version 0.12.

Changelog diff is:

diff --git Changes Changes
index ce4bc31..020ffa7 100644
--- Changes
+++ Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Perl-MinimumVersion-Fast

 {{$NEXT}}

+0.12 2014-03-25T05:39:29Z
+
+    - Detects empty regex as defined-or #7
+      (Reported by dagolden++)
+
 0.11 2013-06-25T08:03:05Z

     - Supoprt Compiler::Lexer 0.13