✅ more tests and bug fixes (#726)

[ISNIT0]

Closes #726

[codecov]

Codecov Report

Merging #798 into master will increase coverage by 1.18%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master     #798      +/-   ##
==========================================
+ Coverage   24.22%   25.41%   +1.18%     
==========================================
  Files          19       19              
  Lines        1556     1554       -2     
  Branches      323      323              
==========================================
+ Hits          377      395      +18     
+ Misses       1106     1090      -16     
+ Partials       73       69       -4

Impacted Files	Coverage Δ
src/Dump.ts	21.42% <0%> (-1.83%)	⬇️
src/MediaWiki.ts	48.12% <0%> (+3%)	⬆️
src/util/rewriteUrls.ts	60.57% <0%> (+15.38%)	⬆️

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