Add aggregate types #273

Job	Run time
3.7 CH=23.8.4.69	39s
3.7 CH=22.5.1.2079	33s
3.7 CH=19.3.5	36s
3.7 CH=18.14.9	36s
3.8 CH=23.8.4.69	29s
3.8 CH=22.5.1.2079	28s
3.8 CH=19.3.5	25s
3.8 CH=18.14.9	23s
3.9 CH=23.8.4.69	1s
3.9 CH=22.5.1.2079	1s
3.9 CH=19.3.5	1s
3.9 CH=18.14.9	1s
3.10 CH=23.8.4.69	31s
3.10 CH=22.5.1.2079	34s
3.10 CH=19.3.5	42s
3.10 CH=18.14.9	29s
3.11 CH=23.8.4.69	30s
3.11 CH=22.5.1.2079	35s
3.11 CH=19.3.5	30s
3.11 CH=18.14.9	31s
3.12 CH=23.8.4.69	33s
3.12 CH=22.5.1.2079	37s
3.12 CH=19.3.5	40s
3.12 CH=18.14.9	38s
Indicate completion to coveralls.io	0s
	11m 3s

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