Removing println statements from digest and rest.

Change-Id: I8c43808ab276542f8988f6c76e34018124354f9d
Removing excess client.Do from Call()

Change-Id: I4decbc70bc34fe62d9c79d131473fe4d0ea74614
Merge branch 'go' of https://github.com/guildencrantz/grt into go