Issue #15: Cache bucket and key in the riak_operation for gets
Free cached bucket/key in riak_operation
Merge branch 'feature/bch/breakout-connection' of github.com:basho/riak-c-client into bugfix/bch/riak-get-bucket-key
Merge branch 'develop' of github.com:basho/riak-c-client into bugfix/bch/riak-get-bucket-key
Merge pull request #24 from basho/bugfix/bch/riak-get-bucket-key

Fix Issue #15: Cache bucket/key in riak_operation