H3 CLI Region Subcommands #1513

Job	Run time
Test Compile clang Debug	3m 39s
CMake correctness checks	7s
Coverage	3m 34s
Test Compile clang Release	2m 34s
Test Compile clang Debug -fsanitize=undefined,float-divide-by-zero -fno-sanitize-recover=undefined,float-divide-by-zero	6m 22s
Test Valgrind	14m 6s
Test Compile clang Release -fsanitize=undefined,float-divide-by-zero -fno-sanitize-recover=undefined,float-divide-by-zero	3m 3s
Test Compile clang Debug -fsanitize=memory -fno-sanitize-recover=memory	29m 43s
Test Compile clang Release -fsanitize=memory -fno-sanitize-recover=memory	5m 48s
Test Compile clang Debug -fsanitize=address -fno-sanitize-recover=address	5m 36s
Test Compile clang Release -fsanitize=address -fno-sanitize-recover=address	3m 19s
Test Compile gcc Debug	3m 32s
Test Compile gcc Release	2m 37s
	1h 24m 0s

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