Use increment_string()

[ericlbarnes]

Update this library to use the new increment_string() CodeIgniter function
http://codeigniter.com/user_guide/helpers/string_helper.html

[n3gotium]

Hello. I've found some syntex error in your code. At line 186 you have this:
$CI->db->where($this->id.'!=', $id);
and shoul be:
$CI->db->where($this->id.' !=', $id);
You forgot to add a space before the exclamation mark. It throws an error because of that (at least in Codeignitor 2.2.0). Thanks.

[ericlbarnes]

Thanks. This was fixed in #3