Add module Devel::Cover::Dumper

This new module is a wrapper for Data::Dumper that uses the right flags,
locally (to avoid impact on other modules).

lib/Devel/Cover/Dumper.pm

@@ -0,0 +1,36 @@
+# This file is part of Devel::Cover.
+
+# This software is free.  It is licensed under the same terms as Perl itself.
+
+# The latest version of this software should be available from my homepage:
+# http://www.pjcj.net
+
+# Author of this file: Olivier Mengué
+
+package  # Private module
+   Devel::Cover::Dumper;
+
+use strict qw<vars subs>; # no refs
+use warnings;
+
+sub import
+{
+    my $caller = caller;
+    if (defined &{"${caller}::Dumper"} && \&{"${caller}::Dumper"} != \&Dumper) {
+        require Carp;
+        Carp::croak("Data::Dumper previously imported. Use instead Devel::Cover::Dumper");
+    }
+    *{"${caller}::Dumper"} = \&Dumper;
+}
+
+sub Dumper
+{
+    require Data::Dumper;
+    local $Data::Dumper::Indent = 1;
+    local $Data::Dumper::Sortkeys = 1;
+    Data::Dumper::Dumper(@_);
+}
+
+1;
+__END__
+# vim:set et: