Merge pull request #277 from davidcole1340/subclass-ce #923

Job	Run time
Test with embed	1m 46s
Build with ZTS	1m 52s
Build and Test (ubuntu-latest, 8.0, stable, 17, nts)	1m 32s
Build and Test (ubuntu-latest, 8.0, nightly, 17, nts)	1m 35s
Build and Test (ubuntu-latest, 8.1, stable, 17, nts)	1m 41s
Build and Test (ubuntu-latest, 8.1, nightly, 17, nts)	1m 33s
Build and Test (ubuntu-latest, 8.2, stable, 17, nts)	2m 36s
Build and Test (ubuntu-latest, 8.2, nightly, 17, nts)	1m 43s
Build and Test (ubuntu-latest, 8.3, stable, 17, nts)	1m 46s
Build and Test (ubuntu-latest, 8.3, nightly, 17, nts)	1m 36s
Build and Test (macos-latest, 8.0, stable, 15, nts)	5m 55s
Build and Test (macos-latest, 8.0, nightly, 15, nts)	3m 4s
Build and Test (macos-latest, 8.1, stable, 15, nts)	3m 31s
Build and Test (macos-latest, 8.1, nightly, 15, nts)	4m 25s
Build and Test (macos-latest, 8.2, stable, 15, nts)	7m 50s
Build and Test (macos-latest, 8.2, nightly, 15, nts)	2m 47s
Build and Test (macos-latest, 8.3, stable, 15, nts)	3m 52s
Build and Test (macos-latest, 8.3, nightly, 15, nts)	2m 57s
Build and Test (windows-latest, 8.0, nightly, 17, ts)	3m 20s
Build and Test (windows-latest, 8.0, nightly, 17, nts)	3m 3s
Build and Test (windows-latest, 8.1, nightly, 17, ts)	3m 3s
Build and Test (windows-latest, 8.1, nightly, 17, nts)	3m 2s
Build and Test (windows-latest, 8.2, nightly, 17, ts)	2m 3s
Build and Test (windows-latest, 8.2, nightly, 17, nts)	3m 11s
Build and Test (windows-latest, 8.3, nightly, 17, ts)	2m 10s
Build and Test (windows-latest, 8.3, nightly, 17, nts)	2m 46s
	1h 14m 39s

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