add server persistance

[hgp]

server should write poll info to file

[mjm]

Is there a reason we prefer using lists instead of vectors? Since vectors are just methods on arrays, it would be much easier to serialize them.

[sionide21]

No reason. In fact I believe lists that go over the network are copied into arrays first. Feel free to change.

[mjm]

I'm really close to making this just use a SQLite3 database. I've tried JSON and GOB and can't find a way of serializing our data structure that is any kind of nice.

[sionide21]

Let me take a look at it before you do.