Various fixes and improvements#5

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janschu99 wants to merge 9 commits intosyssoft-ds:janschu99from

janschu99:janschu99

Commits on Jun 25, 2022

Fix method visibilities
janschu99
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Commits on Jun 26, 2022

Make simulator usable without log4j
janschu99
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Commits on Jul 1, 2022

Name node threads according to the node ids
janschu99
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