Piers

Swift 5.1 Support

4

### New Issue Checklist - [x] I have tried with the latest version of OHHTTPStubs - [x] I have read the [README](https://github.com/AliSoftware/OHHTTPStubs/blob/master/README.md) - [x] I have read the [Using the...

I've been using the [official MongoDB Swift Driver](https://github.com/mongodb/mongo-swift-driver) which has been awesome so far. For Queues, I believe the current community [MongoDB Queues package](https://github.com/vapor-community/queues-mongo-driver) only supports using the third party...