Merge pull request #2 from plicease/version

require 5.16.0

Author: mohawk2

Makefile.PL

@@ -3,6 +3,7 @@ use strict;
 use warnings;
 
 my %runtime_reqs = (
+  'perl' => '5.016',
   'parent' => 0,
   'FFI::Platypus' => 0,
   'FFI::CheckLib' => 0.06,

lib/NativeCall.pm

@@ -2,6 +2,7 @@ package NativeCall;
 
 use strict;
 use warnings;
+use 5.016;
 use Sub::Util qw(subname);
 use FFI::Platypus;
 use FFI::CheckLib 0.06;