Bernard Versions Save

This is a alpha release. Its only purpose is to have more people use it through composer without having to rely on dev-master.

• Fix issue with not releasing lock correctly.
• Fix issue with using bind values for limit with offset.

• Fix issue with DoctrineDriver and visible field.
• Only return message from DoctrinDriver if it can reserve it.

• Add FlatFileDriver
• Move documentation into the repository so it is synchonized with the code.
• Add __toString to Queue in order to have a easy way of getting its name.

• Rename NaiveSerializer to SimpleSerializer.

Fix regression in PimpleAwareRouter which is now covered with tests.

The next release working towards the first stable. This release does unfortunately contain a lot of BC breaks.

• Remove RetryMiddleware and add FailuresMiddleware that just sends failed messages to failed queue.
• Add LoggerFactory for LoggerMiddleware.
• Rename internal Bernard\Message\Envelope to Bernard\Envelope.
• Service methods does not prepend on anymore. onSendNewsletter would be sendNewsletter.
• Remove Invoker Object. Instead this functionality have been moved into the Consumer which implements Middleware.
• Remove Middleware from Queue. Instead the Producer implements Middleware.
• Producer takes a Queue name as the second parameter.
• Replace ServiceResolver with Router and migrate the old Pimple and Container ServiceResolver's

• Fix memory leak in Queue where SplObjectStorage would keep refences to envelopes. #76

• Fix bug in LoggerMiddleware where it wouldnt pass on the call.