fix: loop over forward slashes for relative dir, replace after urlencode

[tiller1010]

Fixes #63

• Loops over forward slashes for "../" relative path.
• Replaces URL-encoded forward slashes with the original slash.

[williamdes]

This looks nice, I will check the code base to see if this is the right solution or if other places could be broken

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (78ee960) 63.99% compared to head (120ef45) 63.99%.

Additional details and impacted files

@@            Coverage Diff            @@
##             v5.5.x      #64   +/-   ##
=========================================
  Coverage     63.99%   63.99%           
  Complexity     1252     1252           
=========================================
  Files            53       53           
  Lines          3611     3611           
=========================================
  Hits           2311     2311           
  Misses         1300     1300           

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[williamdes]

Update: I am a bit unsatisfied about the current code, maybe I will refactor it a bit before merging this
We should not have to split the path and re build it, it feels wrong