Pyubx2

What's Changed
* Rc 1.2.44 by semuadmin in https://github.com/semuconsulting/pyubx2/pull/155

1. Add process_monver() helper method to extract dictionary of hardware, firmware and software version identifiers from parsed MON-VER message.
1. Sphinx documentation and docstrings enhanced to include global constants and decodes.
1. socket_stream.SocketStream class renamed to socket_wrapper.SocketWrapper class for clarity.

**Full Changelog**: https://github.com/semuconsulting/pyubx2/compare/v1.2.43...v1.2.44

What's Changed
* RC 1.2.43 by semuadmin in https://github.com/semuconsulting/pyubx2/pull/153

CHANGES:

1. Update min pynmeagps version to 1.0.37.

FIXES:

1. Fix typo in NAV-PVT definition - `difSoln` is now `diffSoln`. Fixes https://github.com/semuconsulting/pyubx2/issues/152. NB: any existing references to `msg.difSoln` will need to be changed to `msg.diffSoln` in user code.

**Full Changelog**: https://github.com/semuconsulting/pyubx2/compare/v1.2.42...v1.2.43

What's Changed
* Rc 1.2.42 by semuadmin in https://github.com/semuconsulting/pyubx2/pull/151

1. Internal refactoring to improve performance and exception handling.

What's Changed
* Rc 1.2.41 by semuadmin in https://github.com/semuconsulting/pyubx2/pull/150

1. Enhance stream exception handling.
2. Replace print() log statements with logger.
3. Enhance docstrings and comments.

**Full Changelog**: https://github.com/semuconsulting/pyubx2/compare/v1.2.40...v1.2.41

**Full Changelog**: https://github.com/semuconsulting/pyubx2/compare/v1.2.41...v1.2.42