Require Perl 5.20 instead of 5.18

5.20 adds :prototype(...)

Makefile.PL

@@ -1,4 +1,4 @@
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 use Config;
@@ -60,7 +60,7 @@ WriteMakefile(
     ABSTRACT        => 'awk-like XML processor',
     LICENSE         => 'artistic_2',
     EXE_FILES       => [ 'bin/axk' ],
-    MIN_PERL_VERSION => '5.018',
+    MIN_PERL_VERSION => '5.020',
     CONFIGURE_REQUIRES => {
         'Config' => '0',
         'ExtUtils::MakeMaker' => '0',

lib/XML/Axk/App.pm

@@ -7,7 +7,7 @@ use XML::Axk::Core;
 # Semantic versioning, packed per Perl rules.  Must always be at least one
 # digit left of the decimal, and six digits right of the decimal.  For
 # prerelease versions, put an underscore before the last three digits.
-our $VERSION = '0.001_002';
+our $VERSION = '0.001_003';
 
 use Getopt::Long qw(GetOptionsFromArray :config gnu_getopt);
 

lib/XML/Axk/Base.pm

@@ -7,7 +7,7 @@ use parent 'Exporter';
 use Import::Into;
 
 # Pragmas
-use 5.018;
+use 5.020;
 use feature ":5.18";    # Use expressly so we can re-export it below
 use strict;
 use warnings;

t/00-load.t

@@ -1,17 +1,16 @@
 #!perl -T
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
-use Test::More tests=>5;
+use Test::More tests => 4;
 use Module::Loaded;
 
 BEGIN {
-    use_ok( 'XML::Axk' ) || print "Could not load main\n";
     use_ok( 'XML::Axk::App' ) || print "Could not load App\n";
     use_ok( 'XML::Axk::Core' ) || print "Could not load Core\n";
 }
 
-diag( "Testing XML::Axk $XML::Axk::VERSION, Perl $], $^X" );
+diag( "Testing XML::Axk $XML::Axk::App::VERSION, Perl $], $^X" );
 ok(is_loaded("XML::Axk::App"), "App is loaded");
 ok(is_loaded("XML::Axk::Core"), "Core is loaded");
 

t/01-preparse.t

@@ -1,7 +1,7 @@
 #!perl
 # 01-preparse.t
 
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 use Test::More;

t/02-basic-app.t

@@ -1,6 +1,6 @@
 #!perl
 
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 use Test::More; # tests=>27;

t/02-basic-core.t

@@ -1,6 +1,6 @@
 #!perl
 
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 use Test::More; # tests=>27;

t/04-languages.t

@@ -1,7 +1,7 @@
 #!perl
 # 04-languages.t: Multi-language support
 
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 use Test::More; # tests=>27;

t/06-class-tests.t

@@ -1,7 +1,7 @@
 #!perl
 # 06-class-tests.t: Run t/tests
 
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 use rlib;

t/lib/AxkTest.pm

@@ -3,7 +3,7 @@
 package AxkTest;
 
 use Test::Kit;
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 

t/lib/AxkTest/Helpers.pm

@@ -4,7 +4,7 @@
 
 package AxkTest::Helpers;
 
-use 5.018;
+use 5.020;
 use parent 'Exporter';
 
 our @EXPORT = qw(tpath);

xt/boilerplate.t

@@ -1,5 +1,5 @@
 #!perl -T
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 use Test::More;

xt/manifest.t

@@ -1,5 +1,5 @@
 #!perl -T
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 use Test::More;

xt/pod-coverage.t

@@ -1,5 +1,5 @@
 #!perl -T
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 use Test::More;

xt/pod.t

@@ -1,5 +1,5 @@
 #!perl -T
-use 5.018;
+use 5.020;
 use strict;
 use warnings;
 use Test::More;