The following outlines a few usage options.
// Using Composer
require __DIR__ . '/vendor/autoload.php';
$session = new Asdfdotdev\Session();
$session->start();
// Direct
include('/path/to/Session.php');
$session = new Asdfdotdev\Session();
$session->start();
$session->setValue('my_variable','value');
// Set New Value
$session->setValue('my_variable','new value');
// Increment Value
$session->incValue('my_variable', 1);
// Append to Value
$session->appValue('my_variable','appended to current value');
// Hash Stored Value
$session->setValue('my_variable','value_to_hash', true);
$session->regenerate();