Add functions from codeigniter-restserver to API_Controller
Add functions from codeigniter-restserver to API_Controller

facundoruiz/ci_bootstrap_3,waifung0207/ci_bootstrap_3,waifung0207/ci_bootstrap_3,facundoruiz/ci_bootstrap_3,facundoruiz/ci_bootstrap_3,waifung0207/ci_bootstrap_3,waifung0207/ci_bootstrap_3,facundoruiz/ci_bootstrap_3