Stricter linter and more godoc

[corneliusweig]

No description provided.

[codecov-io]

Codecov Report

Merging #24 into master will increase coverage by 0.23%.
The diff coverage is 37.5%.

@@            Coverage Diff             @@
##           master      #24      +/-   ##
==========================================
+ Coverage   73.33%   73.56%   +0.23%     
==========================================
  Files          15       15              
  Lines         630      628       -2     
==========================================
  Hits          462      462              
+ Misses        145      143       -2     
  Partials       23       23

Impacted Files	Coverage Δ
pkg/rakkess/client/result/resource.go	100% <ø> (ø)	⬆️
pkg/rakkess/version/version.go	27.27% <ø> (ø)	⬆️
pkg/rakkess/client/fetch_resources.go	6.06% <ø> (ø)	⬆️
pkg/rakkess/validation/validation.go	75% <0%> (+8.33%)	⬆️
cmd/root.go	26.92% <0%> (+1.92%)	⬆️
pkg/rakkess/client/result/subject.go	91.42% <0%> (-2.69%)	⬇️
pkg/rakkess/client/resource_access.go	63.51% <0%> (ø)	⬆️
pkg/rakkess/client/user_access.go	83.33% <100%> (ø)	⬆️
pkg/rakkess/printer/printer.go	89.36% <100%> (ø)	⬆️
pkg/rakkess/printer/terminal_notwindows.go	60% <100%> (ø)	⬆️

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