Mwaf overhaul

[cjordan]

Please see the commit messages for more info.

[cjordan]

Ah crap I forgot to update the changelog. Will force push later.

[codecov[bot]]

Codecov Report

Merging #89 (595320f) into main (4fac109) will increase coverage by 0.07%. The diff coverage is 95.67%.

:exclamation: Current head 595320f differs from pull request most recent head 387de4e. Consider uploading reports for the commit 387de4e to get more accurate results

@@            Coverage Diff             @@
##             main      #89      +/-   ##
==========================================
+ Coverage   95.36%   95.44%   +0.07%     
==========================================
  Files          14       14              
  Lines        6967     7413     +446     
==========================================
+ Hits         6644     7075     +431     
- Misses        323      338      +15     

Impacted Files	Coverage Δ
src/io/error.rs	50.00% <ø> (+50.00%)	:arrow_up:
src/lib.rs	100.00% <ø> (ø)
src/io/mwaf.rs	95.65% <94.59%> (-0.57%)	:arrow_down:
src/flags.rs	99.10% <98.36%> (+0.22%)	:arrow_up:
src/cli.rs	97.66% <100.00%> (+0.11%)	:arrow_up:
src/corrections.rs	99.50% <100.00%> (+<0.01%)	:arrow_up:
src/io/mod.rs	80.25% <100.00%> (ø)
src/preprocessing.rs	98.28% <100.00%> (-0.05%)	:arrow_down:
... and 2 more

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[cjordan]

Do we want Birli to overwrite existing flag files? It currently panics if a destination flag file exists.

[d3v-null]

Do we want Birli to overwrite existing flag files? It currently panics if a destination flag file exists.

Yeah I think overwriting is a good default.

[cjordan]

For posterity, I accidentally closed this PR. The work continues in PR #93.