diff --git a/system/cookie.php b/system/cookie.php
index 22a06b6a..0568aebc 100644
--- a/system/cookie.php
+++ b/system/cookie.php
@@ -90,7 +90,15 @@ public function send()
 	 */
 	public static function has($name)
 	{
-		return ( ! is_null(static::get($name)));
+		foreach (func_get_args() as $key)
+		{
+			if (is_null(static::get($key)))
+			{
+				return false;
+			}
+		}
+
+		return true;
 	}
 
 	/**
diff --git a/system/form.php b/system/form.php
index b303c0ed..7b594fc8 100644
--- a/system/form.php
+++ b/system/form.php
@@ -56,7 +56,7 @@ public static function open($action = null, $method = 'POST', $attributes = arra
 	/**
 	 * Close a HTML form.
 	 *
-	 * @return void
+	 * @return string
 	 */
 	public static function close()
 	{
diff --git a/system/request.php b/system/request.php
index 671de97b..dd3be314 100644
--- a/system/request.php
+++ b/system/request.php
@@ -36,7 +36,12 @@ public static function uri()
 		// -------------------------------------------------------
 		elseif (isset($_SERVER['REQUEST_URI']))
 		{
-			$uri = str_replace('/index.php', '', $_SERVER['REQUEST_URI']);
+			$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
+
+			if ($uri === false)
+			{
+				throw new \Exception("Malformed request URI. Request terminated.");
+			}
 		}
 		// -------------------------------------------------------
 		// Neither PATH_INFO or REQUEST_URI are available.
diff --git a/system/route/finder.php b/system/route/finder.php
index fb932a7e..2b459e48 100644
--- a/system/route/finder.php
+++ b/system/route/finder.php
@@ -53,7 +53,7 @@ public static function find($name)
 		{
 			$route = $recursiveIterator->getSubIterator();
 
-			if ($route['name'] == $name)
+			if (isset($route['name']) and $route['name'] == $name)
 			{
 				return static::$names[$name] = array($arrayIterator->key() => iterator_to_array($route));
 			}
diff --git a/system/router.php b/system/router.php
index 7026411c..8a2a6a30 100644
--- a/system/router.php
+++ b/system/router.php
@@ -55,7 +55,7 @@ public static function route($method, $uri)
 					// --------------------------------------------------------------
 					// Convert the route wild-cards to regular expressions.
 					// --------------------------------------------------------------
-					$route = str_replace(':num', '[0-9]+', str_replace(':any', '.+', $route));
+					$route = str_replace(':num', '[0-9]+', str_replace(':any', '[a-zA-Z0-9\-_]+', $route));
 
 					if (preg_match('#^'.$route.'$#', $method.' '.$uri))
 					{
diff --git a/system/session.php b/system/session.php
index 695b7131..8b7de15b 100644
--- a/system/session.php
+++ b/system/session.php
@@ -17,15 +17,13 @@ class Session {
 	private static $session = array();
 
 	/**
-	 * Get the session driver instance.
+	 * Get the session driver. If the driver has already been instantiated, that
+	 * instance will be returned.
 	 *
 	 * @return Session\Driver
 	 */
 	public static function driver()
 	{
-		// -----------------------------------------------------
-		// Create the session driver if we haven't already.
-		// -----------------------------------------------------
 		if (is_null(static::$driver))
 		{
 			static::$driver = Session\Factory::make(Config::get('session.driver'));
@@ -59,7 +57,7 @@ public static function load()
 		}
 
 		// -----------------------------------------------------
-		// Generate a CSRF token if one does not exist.
+		// Create a CSRF token for the session if necessary.
 		// -----------------------------------------------------
 		if ( ! static::has('csrf_token'))
 		{
@@ -70,20 +68,27 @@ public static function load()
 	}
 
 	/**
-	 * Determine if the session contains an item.
+	 * Determine if the session or flash data contains an item or set of items.
 	 *
-	 * @param  string  $key
 	 * @return bool
 	 */
-	public static function has($key)
+	public static function has()
 	{
-		return array_key_exists($key, static::$session['data']) or
-		       array_key_exists(':old:'.$key, static::$session['data']) or
-		       array_key_exists(':new:'.$key, static::$session['data']);
+		foreach (func_get_args() as $key)
+		{
+			if ( ! array_key_exists($key, static::$session['data']) and 
+			     ! array_key_exists(':old:'.$key, static::$session['data']) and 
+			     ! array_key_exists(':new:'.$key, static::$session['data']))
+			{
+				return false;
+			}
+		}
+
+		return true;
 	}
 
 	/**
-	 * Get an item from the session.
+	 * Get an item from the session or flash data.
 	 *
 	 * @param  string  $key
 	 * @return mixed
@@ -96,9 +101,6 @@ public static function get($key, $default = null)
 			{
 				return static::$session['data'][$key];
 			}
-			// -----------------------------------------------------
-			// Check the flash data for the item.
-			// -----------------------------------------------------
 			elseif (array_key_exists(':old:'.$key, static::$session['data']))
 			{
 				return static::$session['data'][':old:'.$key];
@@ -125,7 +127,7 @@ public static function put($key, $value)
 	}
 
 	/**
-	 * Write a flash item to the session.
+	 * Write an item to the session flash data.
 	 *
 	 * @param  string  $key
 	 * @param  mixed   $value
@@ -176,17 +178,14 @@ public static function regenerate()
 	public static function close()
 	{
 		// -----------------------------------------------------
-		// Flash the old input data to the session.
+		// Flash the old input to the session and age the flash.
 		// -----------------------------------------------------
-		static::flash('laravel_old_input', Input::get());			
+		static::flash('laravel_old_input', Input::get());
 
-		// -----------------------------------------------------
-		// Age the flash data.
-		// -----------------------------------------------------
 		static::age_flash();
 
 		// -----------------------------------------------------
-		// Save the session data to storage.
+		// Write the session data to storage.
 		// -----------------------------------------------------
 		static::driver()->save(static::$session);
 
@@ -195,8 +194,18 @@ public static function close()
 		// -----------------------------------------------------
 		if ( ! headers_sent())
 		{
-			$lifetime = (Config::get('session.expire_on_close')) ? 0 : Config::get('session.lifetime');
-			Cookie::put('laravel_session', static::$session['id'], $lifetime, Config::get('session.path'), Config::get('session.domain'), Config::get('session.https'));
+			$cookie = new Cookie('laravel_session', static::$session['id']);
+
+			if ( ! Config::get('session.expire_on_close'))
+			{
+				$cookie->lifetime = Config::get('session.lifetime');
+			}
+
+			$cookie->path = Config::get('session.path');
+			$cookie->domain = Config::get('session.domain');
+			$cookie->secure = Config::get('session.https');
+
+			$cookie->send();
 		}
 
 		// -----------------------------------------------------
@@ -234,12 +243,12 @@ private static function age_flash()
 			if (strpos($key, ':new:') === 0)
 			{
 				// -----------------------------------------------------
-				// Create an :old: flash item.
+				// Create an :old: item for the :new: item.
 				// -----------------------------------------------------
 				static::put(':old:'.substr($key, 5), $value);
 
 				// -----------------------------------------------------
-				// Forget the :new: flash item.
+				// Forget the :new: item.
 				// -----------------------------------------------------
 				static::forget($key);
 			}
diff --git a/system/str.php b/system/str.php
index 17370e7f..7ab40159 100644
--- a/system/str.php
+++ b/system/str.php
@@ -47,20 +47,43 @@ public static function title($value)
     }
 
     /**
-     * Generate a random alpha-numeric string.
+     * Generate a random alpha or alpha-numeric string.
+     *
+     * Supported types: 'alnum' and 'alpha'.
      *
      * @param  int     $length
+     * @param  string  $type
      * @return string
      */
-    public static function random($length = 16)
+    public static function random($length = 16, $type = 'alnum')
     {
-        $pool = str_split('0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ', 1);
-
         $value = '';
 
+        // -----------------------------------------------------
+        // Get the proper character pool for the type.
+        // -----------------------------------------------------
+        switch ($type)
+        {
+            case 'alpha':
+                $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+                break;
+
+            default:
+                $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+        }
+
+        // -----------------------------------------------------
+        // Get the pool length and split the pool into an array.
+        // -----------------------------------------------------
+        $pool_length = strlen($pool) - 1;
+        $pool = str_split($pool, 1);
+
+        // -----------------------------------------------------
+        // Build the random string to the specified length.
+        // -----------------------------------------------------
         for ($i = 0; $i < $length; $i++)
         {
-            $value .= $pool[mt_rand(0, 61)];
+            $value .= $pool[mt_rand(0, $pool_length)];
         }
 
         return $value;