- Bugfix - RuntimeError: Cannot call `write()` after `write_eof()`: https://github.com/komuw/naz/pull/208
- support Smpp Optional Tags in `submit_sm`: https://github.com/komuw/naz/pull/202, https://github.com/komuw/naz/pull/207
- Fixed some flaky tests: https://github.com/komuw/naz/pull/204, https://github.com/komuw/naz/pull/206
- Add ability to use different codecs for different messages while using the same `naz` client: https://github.com/komuw/naz/pull/201
With this change, message encoding is now a property of the message and not the client.