API - Basic API calls

this will become:
```php
    function get(){
        
        api_backbone((object)array(
            "request_type" => HTTP_GET,
            "access_level" => TOKEN_ACCESS_LEVEL,
            "query" => "SELECT cat_id, cat_name, cat_parent, theme FROM %scourse_cats",
            "queryArray"  => array(TABLE_PREFIX)
        ));
    }
```