Merge pull request #22 from JuliaString/spj/split #53

Job	Run time
Julia 1.6 - ubuntu-latest - x64 - push	6m 34s
Julia 1.6 - ubuntu-latest - x86 - push	7m 26s
Julia 1.6 - macOS-latest - x64 - push	8m 31s
Julia 1.6 - windows-latest - x64 - push	15m 1s
Julia 1.6 - windows-latest - x86 - push	23m 30s
Julia 1.9 - ubuntu-latest - x64 - push	6m 42s
Julia 1.9 - ubuntu-latest - x86 - push	5m 8s
Julia 1.9 - macOS-latest - x64 - push	7m 1s
Julia 1.9 - windows-latest - x64 - push	6m 47s
Julia 1.9 - windows-latest - x86 - push	9m 57s
Julia nightly - ubuntu-latest - x64 - push	3m 24s
Julia nightly - ubuntu-latest - x86 - push	4m 9s
Julia nightly - macOS-latest - x64 - push	6m 58s
Julia nightly - windows-latest - x64 - push	6m 17s
Julia nightly - windows-latest - x86 - push	6m 47s
	2h 4m 12s

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