pull the api version out into a variable
pull the api version out into a variable

ashleydonohoe/twilio-ruby,mypizza/twilio-ruby-private,philnash/twilio-ruby,twilio/twilio-ruby,MadBomber/twilio-ruby,ShanaLMoore/Magic-8-text,sai43/twilio-ruby,dattyle/twilio-ruby,dddaisuke/twilio-ruby,xeron/twilio-ruby,jarodreyes/twilio-ruby,hzchirs/twilio-ruby,eloyesp/twilio-ruby,imranraja85/twilio-ruby