new_contents: import Algorithmia
  import yaml
  import json
  
  from slackclient import SlackClient
  from datetime import datetime, date, time, timedelta
  
  CONFIG = yaml.load(file('../python-rtmbot-master/rtmbot.conf', 'r'))
  
  ALGORITHMIA_CLIENT = Algorithmia.client(CONFIG["ALGORITHMIA_KEY"])
  ALGORITHM = ALGORITHMIA_CLIENT.algo('nlp/SentimentAnalysis/0.1.2')
  
  print CONFIG
  
  token = CONFIG['SLACK_TOKEN'] # found at https://api.slack.com/web#authentication
  sc = SlackClient(token)
  
  midnight = datetime.combine(date.today(), time.min)
  yesterday_midnight = midnight - timedelta(days=1)
  
  channel = 'C03T49SPB'
  
  history = sc.api_call("channels.history", channel='C03T49SPB', inclusive=1,count=50)
  
  history = json.loads(history)
  
  MAPPING = {
      0: 'very negative',
      1: 'negative',
      2: 'neutral',
      3: 'positive',
      4: 'very positive'
  }
  
  sentiment_results = {
      'very negative': 0,
      'negative': 0,
      'neutral': 0,
      'positive': 0,
      'very positive': 0,
  }
  
  for message in history['messages']:
      results = ALGORITHM.pipe(message['text'])
  
      if not results.result:
          continue
      sentiment_results[MAPPING[results.result]] += 1
  
  print sentiment_results
subject: add review script