* Changed: Created new functions-csv.php file
* Changed: Moved wpsc_ce_generate_csv_filename() to functions-csv.php
* Changed: Moved wpsc_ce_generate_csv_header() to functions-csv.php
* Added: Disabled support for XML Export Format under Export Option
* Added: General Settings header to Settings screen
* Added: CSV Settings header to Settings screen
* Changed: Re-ordered field options on Settings screen

git-svn-id: https://plugins.svn.wordpress.org/wp-e-commerce-exporter/trunk@913346 b8457f37-d9ea-0310-8a92-e5e31aec5664