fixed doc typo and removed .bak file
only create an exchange or queue when used (including bind)
minor bin adjustments
Merge pull request #3 from portertech/exchange_and_queue

Only create/bind an exchange or queue when used
[routing-key] support routing key on queue binding
[routing-key] publish w/ a routing key
[routing-key] fixed opt and improved its description
[routing-key] added message persistence and fix routing key
Merge pull request #4 from portertech/routing-key

support routing key on queue binding and exchange publish
Merge pull request #1 from stensonb/feature/fix-doc-typos

fixed doc typo and removed .bak file
version bump