Updated change log.

Signed-off-by: Taylor Otwell <taylorotwell@gmail.com>

changes.txt

@@ -19,4 +19,5 @@ Changes for 3.1:
 	- Added "memory" cache and session drivers.
 	- Added controller::detect method.
 	- Added Cache::forever method.
-	- Controller layouts now resolved in Laravel\Controller __construct.
+	- Controller layouts now resolved in Laravel\Controller __construct.
+	- Rewrote Eloquent and included in core.