Custom Taxonomy Sort amendments

/**
 * Change the 'column_value()' function to this to fix filter conflicts.
 */
function column_value($column_values, $custom_column, $term_id)
{
    echo $column_values; // Echo the current values for custom columns, otherwise they will all be lost.

    if($custom_column === 'order') : // Check that this column is the 'order' column, otherwise all other values will be over-written.
        return get_term_meta($term_id, 'tax-order', true);
    endif;
}

/**
 * Add this to the CSS so that the column is not unnecessarally wide.
 */
th.column-order, td.column-order, #order{
    text-align: center;
    width: 50px;
}