Merge branch 'bugfix/rangeutilities-use-std-max_element' into 'master'

Ansgar Burchardtrequested to merge
cherry-pick-3e67db3d into releases/2.5

Fix max_value and min_value

This merge request adds a test for rangeutilities.hh and corrects max_value and min_value.

See merge request !183 (merged)

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