Change class name to match filename

This is required in Linux for PSR-0.
Merge pull request #173 from tacman/patch-1

Change class name to match filename
Update CHANGES.md
Update AUTHORS.md
Version Bump to 3.12.5
Version Bump to 3.12.5
Version Bump to 3.12.5
Version Bump to 3.12.5
Changing channel from twilio.github.com to twilio.github.io
Merge branch 'master' of git://github.com/twilio/twilio-php

Conflicts:
	CHANGES.md
Better evaluation of integers during $noun eval