update comments and fit line in 80 chars
update comments and fit line in 80 chars

pablophg/twilio-php,beachboysapp/urgentMe,twilio/twilio-php,achoe/twilio-php,Git-Host/twilio-php,FTrubitz/twilio-php,javierwilson/twilio-php,beachboysapp/urgentMe,sayan801/twilio-php,MartinAmps/twilio-php