* Added: Additional Category column support
* Added: Additional Tag column support
* Fixed: HTML entities now print in plain-text

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-exporter/trunk@785768 b8457f37-d9ea-0310-8a92-e5e31aec5664
* Fixed: PHP 4 notices for File Encoding dropdown
* Fixed: Translation string on Export screen
* Added: WordPress get_posts() optimisation
* Fixed: Ignore Variant Products without Base Products (ala 'phantom Posts')

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-exporter/trunk@787504 b8457f37-d9ea-0310-8a92-e5e31aec5664