Paginate: Generate paginated navigation links

This is a simple class that can be used to generate paginated navigation links for listings of arbitrary data split between multiple pages.

It takes as parameter the total number of items in a listing, the limit of items to display per page and the number of the current page.

It generates links to the first page, next page, previous page, last page and any intermediate pages upto a limit defined by a class variable.

The links to the first, last, next, previous page show as images.