Numerous improvements to proposed optimizations; bug fixes and compatibility improvements; adds internal changes for planned enhancements

What's Changed

(All changes by @emeryberger unless otherwise specified.)

Proposed optimizations

• Click to optimize now works for entire classes (4253475)
• Proposed optimizations now focus on native modules as optimization opportunities (24f630e)
• numpy always suggested for non-GPU contexts, cupy for GPU optimizations (29df26d)
• Added more context to guide optimizations (d64d8bb)
• Clicking on proposed optimizations now copies text to buffer (b4168e5)
• GPU optimizations by default now enabled only on systems with NVIDIA GPUs (c3341e5)
• Added switch to allow choosing to optimize performance vs. memory (a04e47d)

Bug fixes

• Resolved SEGV issue (7cb2649) by @sternj
• Remove preload of environment variables to avoid issues with launching Firefox
• Restored compatibility with Python 3.8
• Fixes issue with Jupyter
• Fixes encoding problem reported here https://stackoverflow.com/questions/74606510/scalene-an-exception-of-type-unicodeencodeerror, by @iuliivasilev in #547
• Fix for Windows issue (#540) by @sternj in #548
• Allows arguments with spaces for subprocesses by @sauyon in #562
• Fixed issue with inadvertent removal of shim logic by @sternj

UI enhancments

• Current filename now "sticky" when scrolling, added blur to top and bottom

Internal changes

• Collects stack traces (not yet exposed in the AI) in #552
• Added core utilization tracking (utilization across all cores) in #572

New Contributors

• @iuliivasilev made their first contribution in #547
• @sauyon made their first contribution in #562

Full Changelog: v1.5.19...v1.5.20