nlf/riakpbc — pull request #48 by oleksiyk (2014-01-29 18:55:23+00:00)
Title: Fix parsing empty content values

Content value might be empty when for example 'return_head' option is set with `put` request: http://docs.basho.com/riak/1.4.7/dev/references/protocol-buffers/store-object/