Test

Add Coolio namespece to IO::Buffer (#82) #33

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Run time

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Job	Run time
3.0 on ubuntu	17s
3.1 on ubuntu	19s
3.2 on ubuntu	18s
head on ubuntu	16s
3.0 on macos	22s
3.1 on macos	25s
3.2 on macos	20s
head on macos	22s
3.0 on windows	1m 44s
3.1 on windows	1m 23s
3.2 on windows	2m 2s
head on windows	1m 50s
	9m 38s