* **core:** support always get the output from the source stack ([120](https://github.com/pahud/cdk-remote-stack/issues/120)) ([6df8e9b](https://github.com/pahud/cdk-remote-stack/commit/6df8e9b94cd4cc3a45edc24a77cd94c69c51c284)), closes [#118](https://github.com/pahud/cdk-remote-stack/issues/118)