These act the same as the !tls versions of this code but they take a PEM
encoded certificate chain to be used to verify certificates (ca verified
certs could use /etc/ssl/certs.pem) and a parameter to skip cert
verification and will use https internally.
Add new RpcRawCommand to get []byte represtation of reply instead of
btcjson.Result.
Export ReadResultCommand to allow caller of RpcRawCommand to deal with
the reply in the same way RpcCommand does.
Adjust test code to for the above changes.
Add return types for serveral additional commands.
Fix required vs. optional arguments for createrawtransaction.
Update tests and test coverage for all changes.
