GraphViz output for PYX handling.

Changes for 0.05 - 2023-09-11T23:32:16+02:00

• Fix Makefile.PL which fails with no '.' in @INC.
• Fix link to image in doc.
• Improve LICENSE AND COPYRIGHT section in doc.
• Improve SYNOPSIS section in doc.
• Rename example file to better name.
• Rewrite bugtracker to github.
• Rewrite to new author github username.
• Update Module::Install to 1.21 version.
• Update copyright years.
• Update my name to actual version.