Bug fixes and enhancements

What's Changed

• Prevent signals interrupting anything in os (fixes #841) by @emeryberger in #842
• Replace magics with comments only when in Jupyter notebooks (fixes #843) by @emeryberger in #847
• Separate script for setting NVIDIA GPU accounting and persistence mode (fixes #700) by @emeryberger in #848
• Fixing Scalene inside Jupyter notebooks by @emeryberger in #849
• Fixed GPU stats merging by @emeryberger in #851

Full Changelog: v1.5.43.2...v1.5.44