Fix warning on saving settings, added number arguments to filter.
Added an upgrade script for 2.0.1.
Getting ready for Pronamic iDEAL 2.0.1.
Added an query to undo the upgrade.
Fixed the get_key() method, now uses correct option.
Fixed support for Jigoshop.
Fix support for WooCommerce.
Update POT file.
Update tested up to vars.
Changelog for 2.0.1.
Update translation files.
Merge branch 'release/2.0.1'