code: function makeRequest(apiKey, path, opts, callback) {
      var 
          key,
          req,
          dataStr = '';
          
      if(callback === undefined) {
          throw 'No callback defined';
          return;
      }
  
      path = '/plus/v1/' + path + '?key=' + apiKey;
      for(key in opts) {
          path += '&' + key + '=' + opts[key];
      }
  
      req = https.request({
          host: 'www.googleapis.com',
          port: 443,
          path: path,
          method: 'GET'
      }, function(res) {
          res.on('data', function(data) {
              dataStr += data;
          });
          
          res.on('end', function() {
              if(opts.alt === undefined || opts.alt.toLowerCase() == 'json') {
                  try {
                      callback(null, JSON.parse(dataStr));
                  } catch(err) {
                      callback(null, dataStr);
                  }
              }
              else {
                  callback(null, dataStr);
              }
          });
          
          res.on('close', function () {
              res.emit('end');
          });
      });
      req.end();
      
      req.on('error', function(err) {
          callback(err);
      });
  
      return req;
  }
docs: Private function, used to make requests to G+
  
  Takes the path, any options (becomes query params) & a callback
  
  Returns the HTTP request instance