v0.2.0 new features and fixes

[BioTurboNick]

This PR introduces several changes; "big" enough I'll call it v0.2 in case anyone doesn't like the look:

• Optionally use names(module) to look up frames to re-insert into the stack trace to expose the public API calls; use ENV["JULIA_STACKTRACE_PUBLIC"] = true
• Simplified display of internal frames by eliminating the superfluous frame numbers, adding italics (1.10+), and making the commas gray
• Restores function of ENV["JULIA_STACKTRACE_MINIMAL"] = true
• Includes temporary fix for inline frame module assignment bug to be fixed by Remove fallback that assigns a module to inlined frames. JuliaLang/julia#51405
• Fixes Remove VSCode extension overrides setting err global once incorporated into it. #41 , as VSCode extension now includes err global.
• Removed code to bring same-location frame collapsing to 1.9, as it was misbehaving.

(edited to reflect current state)

[codecov-commenter]

Codecov Report

Merging #64 (403274c) into master (9335d91) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@            Coverage Diff            @@
##           master     #64      +/-   ##
=========================================
- Coverage    0.18%   0.16%   -0.03%     
=========================================
  Files           9       9              
  Lines         550     620      +70     
=========================================
  Hits            1       1              
- Misses        549     619      +70     

Files Changed	Coverage Δ
src/AbbreviatedStackTraces.jl	0.66% <0.00%> (-0.29%)	⬇️
src/override-errorshow.jl	0.00% <0.00%> (ø)
src/override-stacktraces.jl	0.00% <0.00%> (ø)
src/override-vscode.jl	0.00% <ø> (ø)

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[BioTurboNick]

Also going to try out simplifying the omitted parts of the trace. We don't really need the range of the omitted frames, as the range will be obvious from the included frames. Also moving it to one line, and in 1.10+ making it italic, makes the internal line less distracting so you can focus on the included lines.

Also makes it less silly if only one frame is removed.