v1.2.8 Docs & Pathlib Everywhere

Highlights

• Documentation now autobuilds on merge and uploads to sigmf.readthedocs.io.
• All path handling now done by pathlib.

What's Changed

• feature/readthedocs by @Teque5 in #97
• cross-platform worker estimation by @Teque5 in #101
• os.path converted pathlib.Path by @ademhilmibozkurt in #94
• remove explicit use of /tmp & address pylint issues by @Teque5 in #105

New Contributors

• @ademhilmibozkurt made their first contribution in #94

Full Changelog: v1.2.6...v1.2.8