while working with a clone of a db object, the PDO became unset. To prevent that, an empty error check is made. If the PDO is null, it is loaded.
added a function to clear fields
added a function to clear fields *commented
added code to process the limit and compute the total rows.
Changed pager on the html side. Dev just has to call Pager::prepare(); No template passing.
Renamed getConditional to createConditional. Replacement function getConditional returns the currently set conditional in the DB object.
Added search functionality