/**
     * get_titles function.
     *
     * @access public
     * @param array $params (default: array();)
     * possible array keys:
     * titles - either an array of titles or single title (can be title ids or title names)
     * title_statuses - either an array of title statuses or a single status (can be title status_id or title status name)
     *
     * @return object/row/specific field value if only one title is requested
     * Should return title_id, title_name, title_directory_name, title_sort_order, title_status_name for each title retrieved
     */
    public function get_titles($params = array())
    {
        $this->db->select('titles.title_id');
        $this->db->select('titles.title_name');
        $this->db->select('titles.title_directory_name');
        $this->db->select('titles.title_sort_order');
        $this->db->select('title_statuses.title_status_name');

        $this->db->from('titles');
        $this->db->join('title_statuses', 'titles.title_status_id = title_statuses.title_status_id');

        //checking to see if any $params are attempting to be passed
        if (count($params) > 0)
        {
            //start title specific selection
            if (isset($params['title_ids']))
            {
                //if you only have one integer.
                if (is_integer($params['title_ids']))
                {
                    $this->db->where('titles.title_id', $params['title_ids']);
                }
            }
            else
            {
                if (is_array($params['title_ids']))
                {
                    foreach($params['title_ids'] as $title_id)
                    {
                        $this->db->where('title_id', $title_id);
                    }
                }
            }
        }

        $query = $this->db->get();
        if ($query->num_rows() > 0)
        {
            return $query->row();
        }
        else
        {
            return false;
        }
    }