fully support integer variables

[FabianHofmann]

closes #33

[codecov]

Codecov Report

Base: 87.61% // Head: 87.63% // Increases project coverage by +0.02% 🎉

Coverage data is based on head (ef90ddf) compared to base (4273e6e).
Patch coverage: 90.90% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #73      +/-   ##
==========================================
+ Coverage   87.61%   87.63%   +0.02%     
==========================================
  Files          13       13              
  Lines        2220     2256      +36     
  Branches      355      364       +9     
==========================================
+ Hits         1945     1977      +32     
- Misses        196      198       +2     
- Partials       79       81       +2     

Impacted Files	Coverage Δ
linopy/io.py	91.60% <84.00%> (-0.95%)	⬇️
linopy/matrices.py	100.00% <100.00%> (ø)
linopy/model.py	90.44% <100.00%> (+0.11%)	⬆️
linopy/variables.py	91.26% <100.00%> (+0.17%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.