Modern code style
Merge branch 'master' of https://github.com/kgn/BBlock
Merge branch 'master' of https://github.com/kgn/BBlock
added BBlockNSObjectKeyName to help get the correct property name for changeValueWithKey
Merge branch 'master' of https://github.com/kgn/BBlock
Merge branch 'master' of https://github.com/gerasim13/BBlock