docs: function geocode (msg, apiKey, botName, callback) {
    let addressToURL = msg.message.text;
    if (!botName) botName = "hubot";
    addressToURL = addressToURL.replace(botName + " ", "").replace(/\s/g, "+");
    //get request for geocode (lat, lng)
    needle.get("https://maps.googleapis.com/maps/api/geocode/json?address="+addressToURL+"&key="+apiKey, (err, resp) => {
      if (err) {
        callback(err, null);
        return;
      }
      let results = resp.body.results;
      let resultArray = [];
      results.forEach( (location) => {
        resultArray.push({
          lat: location.geometry.location.lat,
          lng: location.geometry.location.lng,
          location: location.formatted_address
        });
      });
      callback(null, resultArray);
    });
  
  }