Merge pull request twilio#18 from kevinburke/master

Move Rest API details to the top

support for getting recording urls in different formats and streaming…

… the binary data

version bump prepping for new gem release

updated dependencies to include jwt

replacing the crack dependency with json, plus version bump

bumping version number for sync with twilio-ruby repo

Added playBeep attribute to record - Kevin Chiu (@kevinGC)

Update examples for 2010-04-01

Fixed bug in the validateRequest method which prevented corrected val…

…idation

Added SMS Support