Fixed up unit testing to work with latest PHPUnit and use an sqlite db instead

Conflicts:
	library/CrossORM/Constants.php
	library/CrossORM/Core/ORM.php
	library/CrossORM/DB.php
	library/CrossORM/Drivers/PDO/ORM.php
	testing/depend/Bootstrap.php
	testing/phpunit.xml
	testing/tests/Deletes.php
	testing/tests/Selects.php