Paging Easy: Generate links to navigate on query result pages

This is a class for generating HTML links to navigate MySQL database query result listings split over multiple pages.

It takes as parameters the total number of rows in MySQL database query result set, the limit number of rows to display per page and the current page to display.

The class can generate different types of links to go back and forth between the listing pages.

It can also generate MySQL SELECT query LIMIT clause to make it only return the rows that are meant to be presented in the current page.