Allow building for PHP 5.3+
Allow building for PHP 5.3+

bschantz/msphpsql,ulvii/msphpsql,ulvii/msphpsql,ulvii/msphpsql,ulvii/msphpsql,ulvii/msphpsql,Diwahars/msphpsql,Diwahars/msphpsql,Azure/msphpsql,bschantz/msphpsql,Azure/msphpsql