Merge pull request #20 from F2I-Consulting/dev #104

Job	Run time
windows-2019	3m 52s
ubuntu-20-java8	4m 15s
ubuntu-20	3m 45s
ubuntu-20-java8-with-fesapi (gcc 9, gcc-9, gcc-9, g++-9)	29m 7s
windows-2019-with-fesapi	35m 20s
ubuntu-20-java8-with-fesapi (gcc 10, gcc-10, gcc-10, g++-10)	27m 19s
ubuntu-20-java8-with-fesapi (clang 9, clang-9, clang-9, clang++-9)	21m 54s
ubuntu-20-java8-with-fesapi (clang 10, clang-10, clang-10, clang++-10)	24m 5s
ubuntu-20-java8-with-fesapi (clang 11, clang-11, clang-11, clang++-11)	23m 17s
	2h 52m 54s

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