Fix host throttling

[raviqqe]

Close #172.

[codecov]

Codecov Report

Merging #204 (e5b5a44) into main (8a1256d) will increase coverage by 7.72%.
The diff coverage is 90.90%.

@@            Coverage Diff             @@
##             main     #204      +/-   ##
==========================================
+ Coverage   78.78%   86.50%   +7.72%     
==========================================
  Files          25       26       +1     
  Lines         443      452       +9     
==========================================
+ Hits          349      391      +42     
+ Misses         79       45      -34     
- Partials       15       16       +1     

Impacted Files	Coverage Δ
fasthttp_http_client_factory.go	88.88% <ø> (+88.88%)	⬆️
fasthttp_http_client.go	7.14% <20.00%> (+7.14%)	⬆️
command.go	84.78% <100.00%> (+0.33%)	⬆️
redirect_http_client.go	100.00% <100.00%> (ø)

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