Change in the loader and driver docs to force ucfirst() on driver directory names to ensure compatibility on case sensitive file systems.
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 976823f..292fdc9 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -506,7 +506,7 @@
 		// and typically identically named to the library
 		if ( ! strpos($library, '/'))
 		{
-			$library = $library.'/'.$library;
+			$library = ucfirst($library).'/'.$library;
 		}
 		
 		return $this->library($library, $params, $object_name);