Adding SMS Command, Call Command, Twilio Facade and Twilio Service Provider
updating readme
Removing phone number
Update composer.json
Update README.md
Adding TwiML generation.
Checking for valid closure now throws an instance of \InvalidArgumentException on failure.
Update composer.json
Merge pull request #5 from anasterism/TwiML

TwiML Integration
fix #8 - Support for laravel 4.2 and 4.1
fix for use with any Laravel 4.x version.
Merge pull request #9 from that0n3guy/master

fix #8 - Support for laravel 4.2 and 4.1
Update composer.json
Update README.md
Update README.md
Update README.md
Update TwilioServiceProvider.php
Require specific vesrsion of twilio sdk

Require a specific version of the twilio (with tolerance for non-breaking changes) to avoid a potential breaking change on composer update in the future.
Update of config to match Laravel style configs
Update to namespace