Renamed class to follow the PHP community guidelines such as:

- https://svn.apache.org/repos/asf/shindig/attic/php/docs/style-guide.html:
  "Acryonyms are treated as normal words."

- https://softwareengineering.stackexchange.com/a/149321/80632
  Overview of class naming conventions of PHP frameworks

- https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader.md
  No .lib allowed: "The class name corresponds to a file name ending in .php"

See issue #50

tests/Bootstrap.php

@@ -3,7 +3,7 @@
 $dir = realpath(__DIR__);
 defined('BASE') OR define('BASE', dirname($dir) . '/');
 
-require_once BASE . 'parsecsv.lib.php';
+require_once BASE . 'ParseCsvForPhp.php';
 
 if (!class_exists('PHPUnit\Framework\TestCase')) {
     // we run on an older PHPUnit version without namespaces.