old_contents: 
  var unirest, martaApiBaseUrl
  
  var Marta = function() {
  	unirest = require('unirest')
  	//Base URL for Marta API
  	martaApiBaseUrl = "http://developer.itsmarta.com/RealtimeTrain/RestServiceNextTrain/GetRealtimeArrivals?apiKey="
  }
  
  /**
   * Makes request to Marta API to get estimated minutes until arrival 
   * for a specific train station and direction of travel
   * @param {String} station 
   * @param {String} direction
   * @param {Function} callback
   */
  Marta.prototype.getTime = function (station, direction, callback) {
  	responseParser = require('./marta_response_parser.js')
  	var api_key = process.env.MARTA_API_KEY
  	unirest.get(martaApiBaseUrl + api_key)
  	.header("Accept", "application/json")
  	.end(function (result) {
  		console.log("Destination: " + station)
  		console.log("Direction: " + direction)
  		responseParser.prototype.getResultsByDirectionAndStation(result.body, direction, station, function getEvent(events){
  			if(events.length > 0) {
  				responseParser.prototype.getMinutesUntilArrivalFromEvent(events[0], function returnTime(minutes){
  					callback(null, minutes)
  				})
  			} else {
  				callback("No events found for that station/direction", null)
  			}
  		})
  	})
  }
  
  /**
   * Makes request to Marta API to get a set of estimated minutes until arrival 
   * for each direction of travel for a specific train station
   * @param {String} station
   * @param {Function} callback
   */
  Marta.prototype.getTimesByStation = function (station, callback) {
  	responseParser = require('./marta_response_parser.js')
  	var api_key = process.env.MARTA_API_KEY
  	unirest.get(martaApiBaseUrl + api_key)
  	.header("Accept", "application/json")
  	.end(function (result) {
  		console.log("Destination: " + station)
  		console.log("Direction: " + direction)
  		responseParser.prototype.getResultsByStation(result.body, station, function getEvent(events){
  			if(events.length > 0) {
  				results = []
  				events.forEach(function(event) {
  					responseParser.prototype.getMinutesUntilArrivalFromEvent(event, function returnTime(minutes){
  						results.push({direction: event.DIRECTION, minutesUntilArrival: minutes})
  					})
  				})
  				callback(null, results)
  			} else {
  				callback("No events found for that station/direction", null)
  			}
  			
  		})
  	  callback(err, "Failed to process train arrival times")
  	})
  }
  
  module.exports = Marta
new_contents: 
  var unirest, martaApiBaseUrl
  
  var Marta = function() {
  	unirest = require('unirest')
  	//Base URL for Marta API
  	martaApiBaseUrl = "http://developer.itsmarta.com/RealtimeTrain/RestServiceNextTrain/GetRealtimeArrivals?apiKey="
  }
  
  /**
   * Makes request to Marta API to get estimated minutes until arrival 
   * for a specific train station and direction of travel
   * @param {String} station 
   * @param {String} direction
   * @param {Function} callback
   */
  Marta.prototype.getTime = function (station, direction, callback) {
  	responseParser = require('./marta_response_parser.js')
  	var api_key = process.env.MARTA_API_KEY
  	unirest.get(martaApiBaseUrl + api_key)
  	.header("Accept", "application/json")
  	.end(function (result) {
  		console.log("Destination: " + station)
  		console.log("Direction: " + direction)
  		responseParser.prototype.getResultsByDirectionAndStation(result.body, direction, station, function getEvent(events){
  			if(events.length > 0) {
  				responseParser.prototype.getMinutesUntilArrivalFromEvent(events[0], function returnTime(minutes){
  					callback(null, minutes)
  				})
  			} else {
  				callback("No events found for that station/direction", null)
  			}
  		})
  	})
  }
  
  /**
   * Makes request to Marta API to get a set of estimated minutes until arrival 
   * for each direction of travel for a specific train station
   * @param {String} station
   * @param {Function} callback
   */
  Marta.prototype.getTimesByStation = function (station, callback) {
  	responseParser = require('./marta_response_parser.js')
  	var api_key = process.env.MARTA_API_KEY
  	unirest.get(martaApiBaseUrl + api_key)
  	.header("Accept", "application/json")
  	.end(function (result) {
  		console.log("Destination: " + station)
  		responseParser.prototype.getResultsByStation(result.body, station, function getEvent(events){
  			if(events.length > 0) {
  				results = []
  				events.forEach(function(event) {
  					responseParser.prototype.getMinutesUntilArrivalFromEvent(event, function returnTime(minutes){
  						results.push({direction: event.DIRECTION, minutesUntilArrival: minutes})
  					})
  				})
  				callback(null, results)
  			} else {
  				callback("No events found for that station/direction", null)
  			}
  			
  		})
  	  callback(err, "Failed to process train arrival times")
  	})
  }
  
  module.exports = Marta
subject: fix bug with getTimesByStation