#282: load_dataset.php, minor comment
#282: load_dataset.php, properly add file properties to associative array
#282: load_dataset.php, add 'json_creator' to 'arr_upload'
#282: load_dataset.php, JSON encode 'arr_upload' array
#282: load_dataset.php, remove 'JSON encode file upload'
#282: load_dataset.php, properly add uploaded file properties to 'arr_upload'
#282: load_dataset.php, add 'upload quantity' to 'arr_upload'
#282: load_dataset.php, 'unset(index)' since no longer needed
#282: load_dataset.php, do not print number of upload files
#282: load_dataset.php, 'count()' more reliable than 'index'
#282: load_dataset.php, properly define associative array
#282: load_dataset.php, properly call 'index' variable
#282: load_dataset.php, change semicolon to comma (typo)
#282: load_dataset.php, properly add to 'arr_upload' array
#282: load_dataset.php, properly add items to 'arr_upload'
#282: load_dataset.php, temporary 'print_r()'
#282: load_dataset.php, add forgotten semicolon
#282: load_dataset.php, remove temporary 'print_r()'
#282: load_dataset.php, restructure associative array
#282: load_dataset.php, add temporary 'print_r'