Change create_queue() to only take queue name

Queues no longer take in TTL. They do take in artitrary metadata,
but in the interest of time before the demo I did not implement
that here.
Merge pull request #10 from BryanSD/create-queue

Change create_queue() to only take queue name
Merge pull request #9 from lichray/cleanup

Cleanup
The top level expose Connection and exceptions.
Move exceptions to exceptions.py