[MatchHistory] Cleaning BOM char in dataset column names

[sandromodarelli]

Fixes #750

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.28%. Comparing base (69fb0de) to head (d5eb2d3).
Report is 202 commits behind head on master.

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Additional details and impacted files

@@             Coverage Diff             @@
##           master     #751       +/-   ##
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+ Coverage   59.33%   71.28%   +11.94%     
===========================================
  Files          11       26       +15     
  Lines        1633     2448      +815     
  Branches      336      337        +1     
===========================================
+ Hits          969     1745      +776     
- Misses        610      628       +18     
- Partials       54       75       +21     

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[probberechts]

Thanks! Your solution is somewhat of a hack though. Wouldn't it be cleaner to simply use the correct encoding to read the file? The new data seems to use the UTF-8-SIG encoding while older data uses ISO-8859-1.