Version 0.4.4

What's Changed

• back merge by @StevenBtw in #33
• More test for better coverage by @StevenBtw in #35
• Update network_simplex.py by @StevenBtw in #36
• Update pyproject.toml by @StevenBtw in #37

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