Adding Functionality for Player CRUD, added Player Unit Tests

Added Save, Get, Update and Delete player code to the player controller

To run automated test, go to command line

Run ```make test```

@johnhof, Down goes player crud ... now that I got one in, the next few should be quicker
should we make this standard across our routes? I originally just had these as a placeholder, but it might be a nice quick check we can do on FE regardless of the route