Shorter python client imports, fix windows docker client

[BSchilperoort]

Fixes #31 partially

Encountered issue on windows: os.getuid() is not available. Fixed this by getting the windows username.

[codecov]

Codecov Report

Attention: Patch coverage is 81.81818% with 2 lines in your changes missing coverage. Please review.

Project coverage is 49.80%. Comparing base (f8d247f) to head (8bedcb4).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #37      +/-   ##
==========================================
- Coverage   55.41%   49.80%   -5.62%     
==========================================
  Files           6        9       +3     
  Lines         406      518     +112     
  Branches        8       27      +19     
==========================================
+ Hits          225      258      +33     
- Misses        179      257      +78     
- Partials        2        3       +1     

Components	Coverage Δ
Python	49.80% <81.81%> (-5.62%)	⬇️
Julia	∅ <ø> (∅)
R	∅ <ø> (∅)

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[BSchilperoort]

Coverage seems lower but isn't (only linux coverage is uploaded)