Added mkdir for lib folder and uninstall option in make.
Added mkdir for lib folder and uninstall option in make.

sjinks/PHP-CPP,dreamsxin/PHP-CPP,sjinks/PHP-CPP,CopernicaMarketingSoftware/PHP-CPP,sjinks/PHP-CPP,dreamsxin/PHP-CPP,sjinks/PHP-CPP,CopernicaMarketingSoftware/PHP-CPP