Why not use list for hosts

[patricklucas]

Instead of a dict like {0: 'foo', 1: 'bar', etc.} why not use a list? It seems the more natural way of storing that info, and if you still wanted the "readability" of the number, you could add a comment or something:

    'hosts': [
        {'db': 0}, # host 0
        {'db': 1}, # host 1
    ]

[dcramer]

It was an internal design decision. I wouldnt be opposed to supporting both