fixed a bug when loading plugin files as _plugin. and not _pi
diff --git a/system/libraries/Loader.php b/system/libraries/Loader.php
index 2de2bd7..99652c0 100644
--- a/system/libraries/Loader.php
+++ b/system/libraries/Loader.php
@@ -398,7 +398,7 @@
 	

 		foreach ($plugins as $plugin)

 		{	

-			$plugin = strtolower(str_replace(EXT, '', str_replace('_plugin.', '', $plugin)).'_pi');		

+			$plugin = strtolower(str_replace(EXT, '', str_replace('_pi', '', $plugin)).'_pi');		

 

 			if (isset($this->_ci_plugins[$plugin]))

 			{