results.html: Add pagination links

Issue #141.
results.html: Assume that results is always defined

Issue #141.
config.php: Add a Pip_Search constants class

Issue #141.
s.php: Rename $records to $results

Issue #141.
s.php: Set content array all at once

Issue #141.
s.php: Rename $count to $results_count

Issue #141.
s.php: Rename $query to $search_text

Issue #141.
s.php: Don't iterate over array as key value pairs

Issue #141.
s.php: Get results_count from MySQL resource

Issue #141.
s.php: Refactor for a fetch_all() function

Issue #141.
s.php: Rename $result to $resource

Issue #141.
s.php: Less whitespace

Issue #141.
s.php: Define a URL base

Issue #141.
results.html: Only show pagination if more than one page

Issue #141.
s.php: Calculate the number of pages

Issue #141.
s.php: Fix line wrap issue

Issue #141.
get.php: Add a StartAt _GET variable

Issue #141.
s.php: Enable pagination

Issue #141.
s.php: Rename function

Issue #141.
s.php: Fetch associated arrays, not array

Issue #141.