minor fixes

[KristofferC]

No description provided.

[codecov-commenter]

Codecov Report

Merging #8 (25702e9) into master (577645a) will increase coverage by 0.96%.
The diff coverage is 92.30%.

@@            Coverage Diff             @@
##           master       #8      +/-   ##
==========================================
+ Coverage   96.44%   97.40%   +0.96%     
==========================================
  Files           1        1              
  Lines         197      193       -4     
==========================================
- Hits          190      188       -2     
+ Misses          7        5       -2     

Impacted Files	Coverage Δ
src/QOI.jl	97.40% <92.30%> (+0.96%)	⬆️

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