Merge pull request #35 from bluealloy/main #721

Job	Run time
check std	15s
check no-default-features	16s
check serde	18s
clippy	1m 10s
test no_std	27s
test stable --no-default-features	1m 54s
test stable	1m 56s
docs	1m 13s
test stable --all-features	2m 9s
fmt	9s
test beta --no-default-features	2m 2s
test beta	1m 55s
test beta --all-features	2m 8s
test nightly --no-default-features	1m 58s
test nightly	2m 5s
test nightly --all-features	2m 4s
	21m 59s

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