* Fixed: Default file encoding can trigger PHP warning
* Added: File encoding support for Categories and Tags
* Added: Product Tags sorting export support
* Added: Category sorting export support
* Added: Separate files for each dataset

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-exporter/trunk@831905 b8457f37-d9ea-0310-8a92-e5e31aec5664