Fix keyword argument handling

[tkf]

No description provided.

[codecov]

Codecov Report

Merging #18 (f59543c) into master (5eb40d5) will decrease coverage by 0.27%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #18      +/-   ##
==========================================
- Coverage   94.89%   94.62%   -0.28%     
==========================================
  Files           1        1              
  Lines          98       93       -5     
==========================================
- Hits           93       88       -5     
  Misses          5        5              

Flag	Coverage Δ
unittests	94.62% <100.00%> (-0.28%)	⬇️

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Impacted Files	Coverage Δ
src/FGenerators.jl	94.62% <100.00%> (-0.28%)	⬇️

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