Added some docs to CI core files
diff --git a/system/core/Lang.php b/system/core/Lang.php
old mode 100644
new mode 100755
index 170e6c7..5ac6718
--- a/system/core/Lang.php
+++ b/system/core/Lang.php
@@ -26,7 +26,17 @@
  */
 class CI_Lang {
 
+	/**
+	 * List of translations
+	 *
+	 * @var array
+	 */
 	var $language	= array();
+	/**
+	 * List of loaded language files
+	 *
+	 * @var array
+	 */
 	var $is_loaded	= array();
 
 	/**
@@ -47,6 +57,9 @@
 	 * @access	public
 	 * @param	mixed	the name of the language file to be loaded. Can be an array
 	 * @param	string	the language (english, etc.)
+	 * @param	bool	return loaded array of translations
+	 * @param 	bool	add suffix to $langfile
+	 * @param 	string	alternative path to look for language file
 	 * @return	mixed
 	 */
 	function load($langfile = '', $idiom = '', $return = FALSE, $add_suffix = TRUE, $alt_path = '')