Merge pull request #38 from cassandra-project/develop

Develop
Merge pull request #39 from cassandra-project/develop

Issue #149 - Fixed reference key exception
#148  #149 : Libraries

- #149: COPY has a bug that needs to be fixed (reference jey exception)
- #148: Is it possible that CUD operations are forbidden server-side?
'Cause maybe in the future an admin could be able to perform this
actions..
- Please ignore the library's layout, it will be optimized after
operational issues are solved.
Merge pull request #169 from fgiannar/develop

Develop