Fix Issue twilio#10

Update UA and fix issue twilio#15

Bump to 3.2

Bump to version 3.1.0

Point release for documentation changes and addition of status_callba…

…ck_method and status_callback_url support

Fix json import bug

Update to version 3.0.0

Version 2.0.10

Bump to 2.0.8 2010-04-01 release

Fixed language settings in the Say verb. Updated version number