Normalizing package paths to include a single trailing slash.
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 5a2175c..e297061 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -535,6 +535,8 @@
 	 */
 	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);
@@ -569,6 +571,8 @@
 		}
 		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)