added package class.

application/config/aliases.php

@@ -35,6 +35,7 @@ return array(
 	'Inflector' => 'System\\Inflector',
 	'Input' => 'System\\Input',
 	'Lang' => 'System\\Lang',
+	'Package' => 'System\\Package',
 	'URL' => 'System\\URL',
 	'Redirect' => 'System\\Redirect',
 	'Request' => 'System\\Request',

system/input.php

@@ -86,13 +86,6 @@ class Input {
 	 */
 	public static function file($key = null, $default = null)
 	{
-		if (strpos($key, '.') !== false)
-		{
-			list($file, $key) = explode('.', $key);
-
-			return Arr::get($_FILES[$file], $key, $default);
-		}
-
 		return Arr::get($_FILES, $key, $default);
 	}
 

system/package.php

+<?php namespace System;
+
+class Package {
+
+	/**
+	 * All of the loaded packages.
+	 *
+	 * @var array
+	 */
+	public static $loaded = array();
+
+	/**
+	 * Load a package or set of packages.
+	 *
+	 * @param  string|array  $package
+	 * @return void
+	 */
+	public static function load($package)
+	{
+		if (is_array($package))
+		{
+			foreach ($package as $value)
+			{
+				static::load($value);			
+			}
+		}
+
+		// Packages may have a bootstrap file, which commonly is used to register auto-loaders
+		// and perform other initialization needed to use the package. If the package has a
+		// bootstrapper, we will require it here.
+		if ( ! array_key_exists($package, static::$loaded) and file_exists($path = PACKAGE_PATH.$package.'/bootstrap'.EXT))
+		{
+			require $path;
+		}
+
+		static::$loaded[] = $package;
+	}
+
+}
\ No newline at end of file