Merge latest changes from release-1.0.1

Removing all C++11 features touches many parts of many files, so better merge the changes into develop ASAP to prevent future conflicts.

xpcPlugin/Message.cpp

@@ -41,7 +41,7 @@ namespace XPC
 	{
 		if (size == 0)
 		{
-			return nullptr;
+			return NULL;
 		}
 		return buffer;
 	}