Update metadata and documentation

Makefile.PL

@@ -31,6 +31,20 @@ WriteMakefile(
     LICENSE          => 'mit',
     PL_FILES         => {},
     MIN_PERL_VERSION => 5.006,
+    META_MERGE => {
+        'meta-spec' => { version => 2 },
+        homepage => 'https://github.com/Flimm/perl5-Data-MoneyCurrency',
+        bugtracker => {
+            web => 'https://github.com/Flimm/perl5-Data-MoneyCurrency/issues',
+        },
+        resources => {
+            repository => {
+                type => 'git',
+                url => 'https://github.com/Flimm/perl5-Data-MoneyCurrency.git',
+                web => 'https://github.com/Flimm/perl5-Data-MoneyCurrency',
+            },
+        },
+    },
     CONFIGURE_REQUIRES => {
         'ExtUtils::MakeMaker' => 0,
         'File::ShareDir::Install' => 0,

README

@@ -20,17 +20,11 @@ perldoc command.
 
 You can also look for information at:
 
-    RT, CPAN's request tracker (report bugs here)
-        http://rt.cpan.org/NoAuth/Bugs.html?Dist=Data-MoneyCurrency
+    GitHub issues (report bugs here)
+        https://github.com/Flimm/perl5-Data-MoneyCurrency/issues
 
-    AnnoCPAN, Annotated CPAN documentation
-        http://annocpan.org/dist/Data-MoneyCurrency
-
-    CPAN Ratings
-        http://cpanratings.perl.org/d/Data-MoneyCurrency
-
-    Search CPAN
-        http://search.cpan.org/dist/Data-MoneyCurrency/
+    Meta CPAN
+        https://metacpan.org/pod/Data::MoneyCurrency
 
 
 LICENSE AND COPYRIGHT

lib/Data/MoneyCurrency.pm

@@ -336,7 +336,13 @@ sub get_currencies_for_country {
     croak "get_currency received no arguments" if @_ == 0;
     croak "get_currency received more than one argument" if @_ > 1;
     my $country = lc($_[0]);
-    return $rh_currencies_for_country->{$country};
+
+    # Return shallow copy to avoid mutating $rh_currencies_for_country
+    my $rv = $rh_currencies_for_country->{$country};
+    if ($rv) {
+        return [@$rv];
+    }
+    return;
 }
 
 =head1 AUTHOR
@@ -345,9 +351,9 @@ David D Lowe, C<< <daviddlowe.flimm at gmail.com> >>
 
 =head1 BUGS
 
-Please report any bugs or feature requests to C<bug-data-moneycurrency at rt.cpan.org>, or through
-the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Data-MoneyCurrency>.  I will be notified, and then you'll
-automatically be notified of progress on your bug as I make changes.
+
+Please report any bugs or feature requests through the web interface at
+L<https://github.com/Flimm/perl5-Data-MoneyCurrency/issues>.
 
 =head1 SUPPORT
 
@@ -359,21 +365,9 @@ You can also look for information at:
 
 =over 4
 
-=item * RT: CPAN's request tracker (report bugs here)
-
-L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=Data-MoneyCurrency>
-
-=item * AnnoCPAN: Annotated CPAN documentation
-
-L<http://annocpan.org/dist/Data-MoneyCurrency>
-
-=item * CPAN Ratings
-
-L<http://cpanratings.perl.org/d/Data-MoneyCurrency>
-
-=item * Search CPAN
+=item * Meta CPAN
 
-L<http://search.cpan.org/dist/Data-MoneyCurrency/>
+L<https://metacpan.org/pod/Data::MoneyCurrency>
 
 =back