PyGPSClient Pull Request Template

Description

1. Fix PUBX03 NMEA handling for Sky View - Fixes Incorrect PUBX03 elev/azim handling in Sky View #138
2. Make PUBX03 SVID numbering consistent with GSV

Fixes #138

Testing

Please test all changes, however trivial, against the supplied pytest suite tests/test_*.py. Please describe any test cases you have amended or added to this suite to maintain >= 99% code coverage.

Checklist:

• I agree to abide by the code of conduct (see CODE_OF_CONDUCT.md).
• My code follows the style guidelines of this project (see CONTRIBUTING.MD).
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• (if appropriate) I have added test cases to the tests/test_*.py unittest suite to maintain test coverage.
• I have tested my code against the full tests/test_*.py unittest suite.
• My changes generate no new warnings.
• Any dependent changes have been merged and published in downstream modules.
• I have signed my commits.
• I understand and acknowledge that the code will be published under a BSD 3-Clause license.