Added a way for love's reference-counted objects to be released more safely in some situations (e.g. setters)

src/common/Object.h

@@ -65,6 +65,33 @@ public:
 	 **/
 	virtual void release();
 
+	/**
+	 * Meant to be used as a temporary object. Facilitates safer and cleaner
+	 * code to release objects by doing so when the AutoRelease object is
+	 * destroyed (e.g. goes out of scope.)
+	 **/
+	class AutoRelease
+	{
+	public:
+
+		AutoRelease(Object *obj)
+			: object(obj)
+		{
+		}
+
+		~AutoRelease()
+		{
+			if (object)
+				object->release();
+		}
+
+	private:
+
+		AutoRelease() {}
+		Object *object;
+
+	}; // AutoRelease
+
 private:
 
 	// The reference count.