title: Codeigniter pre_system hook with library and model support
body: <p>I want to load meta information for my web at the very begining of code execution. I.E, i will pull logo src, site name and meta keywords/description from database and set it to session to display when my page executes. I am trying to use codeigniter hooks to do this. but when I use pre_system hook, it doesnt load libraries and models.</p>
  
  <p>I will be using same scenario to generate installer for my script (like wordpress or joomla), so I need a proper way to initialize my configurations before page execution.</p>