Bugfix for replaces, support for numbered lists

Merge pull request #6 from Rotzbua/migrate_php_8_0

Migrate to php 8.0

Support pages

Fix typing, requirements

Bugfix for typings

Stricter typing, allow setting ins/del colors

Allow preSaveHooks

Allow setting page margins / size

If a tag is unknown, treat it as an inline tag (SPAN) instead of throwing an exception

Fix phpdoc blocks

Merge pull request #1 from thibaultjunin/patch-1

Uncaught Exception: cannot open, Fix

Bugfix: typo in XML namespace

Ensure inserted/deleted text is wrapped by SPANs