hdwallet

Hello, there. I tried to build HDWallet via Carthage on xCode 10.1 (10B61) and i get this error ->
I tried also carthage update --platform iOS && carthage update --platform iOS --no-use-binaries but result was the same.

Skipped building scrypt-cryptoswift due to the error:
Dependency "scrypt-cryptoswift" has no shared framework schemes for any of the platforms: iOS

If you beli

I'm usually needing signatures in addition to the keys, and for this purpose i usually use coincurve too. Therefore i think it would make sense to have a "sign from path" API.