Merge pull request #40 from quantumghent/fix#39 #23

Job	Run time
Julia 1.6 - ubuntu-latest - x64	22m 33s
Julia 1.6 - macOS-latest - x64	23m 32s
Julia 1.6 - windows-latest - x64	33m 49s
Julia 1 - ubuntu-latest - x64	12m 40s
Julia 1 - macOS-latest - x64	12m 16s
Julia 1 - windows-latest - x64	14m 52s
Julia nightly - ubuntu-latest - x64	14m 56s
Julia nightly - macOS-latest - x64	38m 55s
Julia nightly - windows-latest - x64	16m 18s
	3h 9m 51s

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