Changes for Ariadne 10

This release officially supports PHP 7.2. This is the last release we tested on PHP 5.6 and PHP 7.0, since these versions will be no longer supported after jan. 1 2019.

New

• Added pdftk module (mod_pdftk) - adds handling for PDF backgrounds, concats, splitting and other PDF juggling skills.
• Updated Archive/Tar to the 1.4.3

bugfixes

• Improved the SVN code to be more robust by adding extra error checks.