This dedicate does not belong to any department on this repository, and may belong to your fork beyond the repository. The Ethereum roadmap is made of interconnected updates made to make the community a lot more scalable, protected, and sustainable. Sipa's showwallet branch has a brand new command called "importprivkey" https://random-ethereum-address86306.blogkoo.com/this-article-is-under-review-47494198