v0.4.4

What's Changed

• Add tox job with psutil installed to run on CI by @lysnikolaou in #65
• Use markdown in README by @lysnikolaou in #67
• Remove cliff since we don't use it by @lysnikolaou in #66
• Remove docs directory by @lysnikolaou in #68
• Fix failures report when test is marked as thread-unsafe by @lysnikolaou in #71
• Add an option to skip thread-unsafe tests by @ngoldbaum in #74

Full Changelog: v0.4.3...v0.4.4