Switch from Nz prefix to namespace Nz

What a huge commit


Former-commit-id: 38ac5eebf70adc1180f571f6006192d28fb99897

SDK/include/NDK/EntityHandle.inl

@@ -90,9 +90,9 @@ namespace Ndk
 		return *this;
 	}
 
-	inline NzString EntityHandle::ToString() const
+	inline Nz::String EntityHandle::ToString() const
 	{
-		NzStringStream ss;
+		Nz::StringStream ss;
 		ss << "EntityHandle(";
 		if (IsValid())
 			ss << "Entity(" << m_entity->GetId() << ')';