[#40] Add support for MSG_BM_BLOCK_CV.

git-svn-id: http://svn.code.sf.net/p/jbidibc/code@835 87107999-b52a-42af-a34b-1e85ba8a0939
[#40] FeedbackCvResponse now returns AddressData instance instead of address only.

git-svn-id: http://svn.code.sf.net/p/jbidibc/code@836 87107999-b52a-42af-a34b-1e85ba8a0939