This fixes several performance and module issues. One such issue we'll
need resolved can be seen here:
* https://github.com/ansible/ansible-modules-extras/issues/1278
Without this fix the `rabbitmq_user` module will stacktrace if the user
password is change.
Change-Id: Ibab4b2e5478d73d01bd8465417f3a1aa7c7469dd
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>