allow a client id to be passed to the client
Merge pull request #45 from quixey/allow-client-id

Allow a client id to be passed to the client

+1 thanks, @jimjh
Fix #44 Add missing exception class

Also move the exceptions to common instead of util
Update README.md

correct typo in readme example
Merge pull request #47 from StevenLeRoux/master

Update README.md
Update README.md

Small fixes in ## Multiprocess consumer example.
Merge pull request #48 from StevenLeRoux/master

Update README.md