Merge pull request #88 from nim65s/devel

add doc/make CommandVoid 5-8
7 jobs for devel in 2 minutes and 33 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Test
passed doc-coverage #125917

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93.0%
passed format #125918

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passed robotpkg-dynamic-graph-v3-18.04 #125912

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passed robotpkg-dynamic-graph-v3-20.04 #125913

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passed robotpkg-dynamic-graph-v3-buster #125914

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passed robotpkg-dynamic-graph-v3-ferrum #125915

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passed robotpkg-dynamic-graph-v3-stretch #125916

00:02:32