#1570 Add degree range evolution operator#1582

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alwba wants to merge 7 commits intodbs-leipzig:developfrom chrissi16:#1570_degree_range_evolution

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Commits on Aug 9, 2022

[dbs-leipzig#1570 ] add degree range operator
alwba
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Commits on Aug 10, 2022

Commits on Aug 11, 2022

[dbs-leipzig#1570 ] put timestamp extraction inside the aggregation group reduce
alwba
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[dbs-leipzig#1570 ] delete a not needed help function
alwba
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Commits on Sep 9, 2022

[1570] delete unused code and fix unit test
alwba
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