Added changes to allow optional arguments for some of the commands.
Updating the release to 0.10
Cleaning up the README.md
Updated driver protobuf
Updated the proto definitions and fixed the compile issues. Still need to implement all the new methods
Fixes a bug in hasNext() that can cause it to return true when there are no more elements
Merge pull request #13 from artichikin/master

Fixes a bug in hasNext() iterator