Made some changes to how callbacks work under the hood
Made some changes to how callbacks work under the hood

jahanzaibbahadur/codeigniter-base-model,jamierumbelow/codeigniter-base-model,nguyenanhnhan/codeigniter-base-model,nelson6e65/codeigniter-base-model,chanakaDe/codeigniter-base-model,michail1982/codeigniter-base-model,marciocamello/codeigniter-base-model,rakesh-mohanta/codeigniter-base-model,eweap/codeigniter-base-model,sergomet/codeigniter-base-model,ivantcholakov/codeigniter-base-model,manozdebnath/codeigniter-base-model