Signalwire

Updated
- Update dependencies.

Updated
- Update compatibility SDK versions.

Fixed
- Delete the `_request` dict key once the request has been completed.

Fixed
- Call prompt `media_list` parameter without nested _params_ property.

Added
- Call `disconnect()` method.

Fixed
- Check signals supported by the environment. On Windows there is no `SIGHUP`.
- Detect half-open connection and force close connection to update Client/Consumer properly.

Added
- Support for Calling `tap`, `tap_async` methods.
- Support for Calling `send_digits`, `send_digits_async` methods.
- Support to send/receive faxes on the Call: `fax_receive`, `fax_receive_async`, `fax_send`, `fax_send_async`.
- Methods to start detectors on the Call: `detect`, `detect_async`, `detect_answering_machine`, `detect_answering_machine_async`, `detect_digit`, `detect_digit_async`, `detect_fax`, `detect_fax_async`.
- Set logging level via LOG_LEVEL env variable.
- Add `playRingtone` and `playRingtoneAsync` methods to simplify play a ringtone.