Copyright for libwebinject-perl source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: Webinject
Source: https://metacpan.org/release/Webinject
Upstream-Contact: Sven Nierlein 

Files: *
Copyright: 2010-2011, Sven Nierlein 
           2004-2006, Corey Goldberg 
License: GPL-2

Files: inc/Module/*
Copyright: 2002-2012, Adam Kennedy 
           2002-2012, Audrey Tang 
           2002-2012, Brian Ingerson 
License: Artistic or GPL-1+

Files: debian/*
Copyright: 2012-2017, gregor herrmann 
           2012, Nathan Handler 
License: GPL-2 or Artistic or GPL-1+

License: GPL-2
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; version 2 dated June, 1991.
 .
 On Debian systems, the complete text of version 2 of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-2'.

License: Artistic
 This program is free software; you can redistribute it and/or modify
 it under the terms of the Artistic License, which comes with Perl.
 .
 On Debian systems, the complete text of the Artistic License can be
 found in `/usr/share/common-licenses/Artistic'.

License: GPL-1+
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 1, or (at your option)
 any later version.
 .
 On Debian systems, the complete text of version 1 of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-1'.