Return human-friendly colorized error if output device is a TTY
Return human-friendly colorized error if output device is a TTY

Otherwise, print the Twilio error string

Rosy-S/twilio-python,johannakate/twilio-python,tysonholub/twilio-python,twilio/twilio-python,Mobii/twilio-python,supermanheng21/twilio-python,bcorwin/twilio-python,YeelerG/twilio-python