Fix prefetchCount of 0 to call basicQos.

When subscribing to a queue, prefetchCount of 0 should still call basicQos
and end up emitting the "basicQosOk" event.
debug cleanups, no binary or bit-set output

Execute was logging binary, which doesn't work so well, and it looks
like a bit-set debug statement got left in during a debugging session.
Bump node dependency requirements to node 0.10
Fix final missing semicolons (JSHint)

Also fix some inconsistent indentation
Fix problematic equality checks (JSHint)
Use === (JSHint)
Fix variable declarations (JSHint)
Fix strict issues
Fix channel compare