old_contents: 
  var config = {
    server_port: 5000,
    server_opts: {}
  };
  
  var server = require('http').Server();
  var serverio = require('socket.io').listen(server, config.server_opts);
  server.listen(config.server_port);
  
  var players = [];
  
  var data = require('../data/apples.json');
  var red = data.red,
    green = data.green;
  
  serverio.of('/game').on('connection', function(socket) {
    // TODO: add socket
  
    socket.on('disconnect', function() {
      // TODO: remove socket
    });
  
    socket.on('authme', function() {
  
    });
  });
  
new_contents: 
  var config = {
    server_port: 5000,
    server_opts: {}
  };
  
  var server = require('http').Server();
  var serverio = require('socket.io').listen(server, config.server_opts);
  server.listen(config.server_port);
  var _ = require('_');
  
  var players = [];
  
  var data = require('../data/apples.json');
  var red = data.red,
    green = data.green;
  
  serverio.of('/game').on('connection', function(socket) {
  
    socket.on('disconnect', function() {
      players = _.without(players, socket);
      console.log('Player count', players.length);
    });
  
    socket.on('authme', function() {
      players.append(socket);
    });
  });
  
subject: Add players to server on connect