diff --git a/system/core/Config.php b/system/core/Config.php
index bdd1b83..8ecfba7 100644
--- a/system/core/Config.php
+++ b/system/core/Config.php
@@ -47,6 +47,24 @@
 	{
 		$this->config =& get_config();
 		log_message('debug', "Config Class Initialized");
+
+		// Set the base_url automatically if none was provided
+		if ($this->config['base_url'] == '')
+		{
+			if(isset($_SERVER['HTTP_HOST']))
+			{
+				$base_url = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http';
+				$base_url .= '://'. $_SERVER['HTTP_HOST'];
+				$base_url .= str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']);
+			}
+
+			else
+			{
+				$base_url = 'http://localhost/';
+			}
+
+			$this->set_item('base_url', $base_url);
+		}
 	}
 
 	// --------------------------------------------------------------------
@@ -185,14 +203,7 @@
 			return FALSE;
 		}
 
-		$pref = $this->config[$item];
-
-		if ($pref != '' && substr($pref, -1) != '/')
-		{
-			$pref .= '/';
-		}
-
-		return $pref;
+		return rtrim($this->config[$item], '/').'/';
 	}
 
 	// --------------------------------------------------------------------
@@ -208,14 +219,7 @@
 	{
 		if ($uri == '')
 		{
-			if ($this->item('base_url') == '')
-			{
-				return $this->item('index_page');
-			}
-			else
-			{
-				return $this->slash_item('base_url').$this->item('index_page');
-			}
+			return $this->slash_item('base_url').$this->item('index_page');
 		}
 
 		if ($this->item('enable_query_strings') == FALSE)
@@ -244,14 +248,7 @@
 				$uri = $str;
 			}
 
-			if ($this->item('base_url') == '')
-			{
-				return $this->item('index_page').'?'.$uri;
-			}
-			else
-			{
-				return $this->slash_item('base_url').$this->item('index_page').'?'.$uri;
-			}
+			return $this->slash_item('base_url').$this->item('index_page').'?'.$uri;
 		}
 	}
 
diff --git a/system/core/Input.php b/system/core/Input.php
index 4ddc402..eb2048e 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -49,9 +49,9 @@
 	{
 		log_message('debug', "Input Class Initialized");
 
-		$this->_allow_get_array	= (config_item('allow_get_array') === TRUE) ? TRUE : FALSE;
-		$this->_enable_xss		= (config_item('global_xss_filtering') === TRUE) ? TRUE : FALSE;
-		$this->_enable_csrf		= (config_item('csrf_protection') === TRUE) ? TRUE : FALSE;
+		$this->_allow_get_array	= (config_item('allow_get_array') === TRUE);
+		$this->_enable_xss		= (config_item('global_xss_filtering') === TRUE);
+		$this->_enable_csrf		= (config_item('csrf_protection') === TRUE);
 
 		// Do we need to load the security class?
 		if ($this->_enable_xss == TRUE OR $this->_enable_csrf == TRUE)
@@ -216,14 +216,7 @@
 		}
 		else
 		{
-			if ($expire > 0)
-			{
-				$expire = time() + $expire;
-			}
-			else
-			{
-				$expire = 0;
-			}
+			$expire = ($expire > 0) ? time() + $expire : 0;
 		}
 
 		setcookie($prefix.$name, $value, $expire, $path, $domain, 0);
@@ -492,7 +485,7 @@
 		}
 
 		// We strip slashes if magic quotes is on to keep things consistent
-		if (get_magic_quotes_gpc())
+		if (function_exists('get_magic_quotes_gpc') AND get_magic_quotes_gpc())
 		{
 			$str = stripslashes($str);
 		}
@@ -514,7 +507,7 @@
 		{
 			if (strpos($str, "\r") !== FALSE)
 			{
-				$str = str_replace(array("\r\n", "\r"), "\n", $str);
+				$str = str_replace(array("\r\n", "\r"), PHP_EOL, $str);
 			}
 		}
 
diff --git a/system/core/Lang.php b/system/core/Lang.php
index e7867b3..8ec1797 100644
--- a/system/core/Lang.php
+++ b/system/core/Lang.php
@@ -78,17 +78,21 @@
 		{
 			include($alt_path.'language/'.$idiom.'/'.$langfile);
 		}
-		elseif (file_exists(APPPATH.'language/'.$idiom.'/'.$langfile))
-		{
-			include(APPPATH.'language/'.$idiom.'/'.$langfile);
-		}
 		else
 		{
-			if (file_exists(BASEPATH.'language/'.$idiom.'/'.$langfile))
+			$found = FALSE;
+
+			foreach (get_instance()->load->get_package_paths(TRUE) as $package_path)
 			{
-				include(BASEPATH.'language/'.$idiom.'/'.$langfile);
+				if (file_exists($package_path.'language/'.$idiom.'/'.$langfile))
+				{
+					include($package_path.'language/'.$idiom.'/'.$langfile);
+					$found = TRUE;
+					break;
+				}
 			}
-			else
+
+			if ($found !== TRUE)
 			{
 				show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile);
 			}
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 4b6b19e..136cae9 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -81,12 +81,12 @@
 		{
 			foreach($library as $read)
 			{
-				$this->library($read);	
+				$this->library($read);
 			}
-			
+
 			return;
 		}
-		
+
 		if ($library == '' OR isset($this->_base_classes[$library]))
 		{
 			return FALSE;
@@ -527,7 +527,7 @@
 	function add_package_path($path)
 	{
 		$path = rtrim($path, '/').'/';
-		
+
 		array_unshift($this->_ci_library_paths, $path);
 		array_unshift($this->_ci_model_paths, $path);
 		array_unshift($this->_ci_helper_paths, $path);
@@ -540,6 +540,22 @@
 	// --------------------------------------------------------------------
 
 	/**
+	 * Get Package Paths
+	 *
+	 * Return a list of all package paths, by default it will ignore BASEPATH.
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function get_package_paths($include_base = FALSE)
+	{
+		return $include_base === TRUE ? $this->_ci_library_paths : $this->_ci_model_paths;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
 	 * Remove Package Path
 	 *
 	 * Remove a path from the library, model, and helper path arrays if it exists
@@ -563,7 +579,7 @@
 		else
 		{
 			$path = rtrim($path, '/').'/';
-			
+
 			foreach (array('_ci_library_paths', '_ci_model_paths', '_ci_helper_paths') as $var)
 			{
 				if (($key = array_search($path, $this->{$var})) !== FALSE)
diff --git a/system/core/Router.php b/system/core/Router.php
index 9276800..79a8b4f 100644
--- a/system/core/Router.php
+++ b/system/core/Router.php
@@ -270,19 +270,17 @@
 
 		// If we've gotten this far it means that the URI does not correlate to a valid
 		// controller class.  We will now see if there is an override
-		if (isset($this->routes['404_override']) AND $this->routes['404_override'] != '')
+		if (!empty($this->routes['404_override']))
 		{
-			if (strpos($this->routes['404_override'], '/') !== FALSE)
-			{
-				$x = explode('/', $this->routes['404_override']);
+			$x = explode('/', $this->routes['404_override']);
 
-				$this->set_class($x[0]);
-				$this->set_method($x[1]);
+			$this->set_class($x[0]);
+			$this->set_method(isset($x[1]) ? $x[1] : 'index');
 
-				return $x;
-			}
+			return $x;
 		}
 
+
 		// Nothing else to do at this point but show a 404
 		show_404($segments[0]);
 	}
diff --git a/system/core/URI.php b/system/core/URI.php
index f6487d3..047e3c9 100644
--- a/system/core/URI.php
+++ b/system/core/URI.php
@@ -133,23 +133,25 @@
 		if (isset($_SERVER['REQUEST_URI']))
 		{
 			$uri = $_SERVER['REQUEST_URI'];
-			if (strpos($uri, $_SERVER['HTTP_HOST']) !== FALSE)
+			if (strpos($uri, $_SERVER['SERVER_NAME']) !== FALSE)
 			{
-				$uri = preg_replace('/^\w+:\/\/[^\/]+/','',$uri);
+				$uri = preg_replace('/^\w+:\/\/[^\/]+/', '', $uri);
 			}
 		}
+
 		// Now lets check for IIS
 		elseif (isset($_SERVER['HTTP_X_REWRITE_URL']))
 		{
 			$uri = $_SERVER['HTTP_X_REWRITE_URL'];
 		}
+		
 		// Last ditch effort (for older CGI servers, like IIS 5)
 		elseif (isset($_SERVER['ORIG_PATH_INFO']))
 		{
 			$uri = $_SERVER['ORIG_PATH_INFO'];
 			if ( ! empty($_SERVER['QUERY_STRING']))
 			{
-				$uri .= '?'.$_SERVER['QUERY_STRING'];
+				$uri .= '?' . $_SERVER['QUERY_STRING'];
 			}
 		}
 
@@ -173,8 +175,8 @@
 	{
 		// Some server's require URL's like index.php?/whatever If that is the case,
 		// then we need to add that to our parsing.
-		$fc_path = ltrim(FCPATH.SELF, '/');
-		if (strpos($uri, SELF.'?') !== FALSE)
+		$fc_path = ltrim(FCPATH . SELF, '/');
+		if (strpos($uri, SELF . '?') !== FALSE)
 		{
 			$fc_path .= '?';
 		}
@@ -182,7 +184,7 @@
 		$parsed_uri = explode('/', ltrim($uri, '/'));
 
 		$i = 0;
-		foreach(explode("/", $fc_path) as $segment)
+		foreach (explode("/", $fc_path) as $segment)
 		{
 			if (isset($parsed_uri[$i]) && $segment == $parsed_uri[$i])
 			{
@@ -203,7 +205,7 @@
 		}
 
 		// If it is just a / or index.php then just empty it.
-		if ($uri == '/' || $uri == SELF)
+		if ($uri == '/' OR $uri == SELF)
 		{
 			$uri = '';
 		}
@@ -266,7 +268,7 @@
 	 */
 	function _explode_segments()
 	{
-		foreach(explode("/", preg_replace("|/*(.+?)/*$|", "\\1", $this->uri_string)) as $val)
+		foreach (explode("/", preg_replace("|/*(.+?)/*$|", "\\1", $this->uri_string)) as $val)
 		{
 			// Filter segments for security
 			$val = trim($this->_filter_uri($val));