removed cache and session factories. moved cache item management into cache class and out of drivers. tweaked auth class.

system/session/factory.php

@@ -1,32 +0,0 @@
-<?php namespace System\Session;
-
-class Factory {
-
-	/**
-	 * Create a session driver instance.
-	 *
-	 * @param  string  $driver
-	 * @return Driver
-	 */
-	public static function make($driver)
-	{
-		switch ($driver)
-		{
-			case 'file':
-				return new Driver\File;
-
-			case 'db':
-				return new Driver\DB;
-
-			case 'memcached':
-				return new Driver\Memcached;
-
-			case 'apc':
-				return new Driver\APC;
-
-			default:
-				throw new \Exception("Session driver [$driver] is not supported.");
-		}
-	}
-
-}