#372: Read properties files as UTF-8#373

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jowerner wants to merge 3 commits intodevelopfrom

372-Read-properties-files-as-UTF-8

Commits on May 24, 2023

- introduced Utf8Reader incl. test case
jowerner
committed
- make use of Utf8Reader to get an exception in case the data file is not correctly UTF-8-encoded
jowerner
committed

Commits on Jun 1, 2023

- code and javadoc improvements
jowerner
committed