Comments and bugs
* modules/poison/nbns.py
  -- Cleaned comments up
  -- Fixed an issue with request strings
  -- Print out a neater session view
* modules/sniffer/http_sniffer.py
  modules/sniffer/password_sniffer.py
  modules/sniffer/sniffer.py
  modules/sniffer/traffic_sniffer.py
  -- Comment cleanup