Bump version and cut release
Update README with release notes
Invalid order of arguments was fixed in RequestStream's _onError method.
Merge pull request #67 from WoZ/fix-args-order-in-request-stream-onerror

Invalid order of arguments was fixed in RequestStream's _onError method.
Update README to point to intro wiki page
Defer child exit error

Allows pending messages to be processed. Additionally allows client to
cleanup to perform their own error handling via the destroy method.
Merge branch 'destroy-flush'