Dont lowercase voice_id since some providers use uppercase ids.

    Added voipcall_join_multiple_messages() text_handler which can join large SMS messages back into one.

Don't use cmdwait in twilio when network=text and using sms framework.

In the SMS-realm it functions as a status callback URL, and not a continuation URL.

_voipplivocore_transfer_file() now returns object instead of array.

Added missing fileFormat to record cmd in Plivo
Added helper functions to calculate mp3 and wav duration.
Fixed bug with call_origin

Added accept_sms_framework flag.

Fixed bug in Tropo where caller_id was always used as From field in SMS message, instead of actual number on which SMS was received.

Add "+1" for Tropo voice calls (For USA/Canada Tropo uses local syntax)

fixed the hang up on recording issue for the Tropo module. still have to remove watchdog and todo statements and implement a solution for Plivo.

fixed the hang up on recording issue for the Twilio module. still have to remove watchdogs and todo statements.