Tests

Add API functions for the other kinds of matrixes that a CRN ODE system can be factored into #162

Job	Run time
Tests (1, IO) / Tests - IO	3m 14s
Tests (1, Core) / Tests - Core	2m 42s
Tests (1, Extensions) / Tests - Extensions	2m 47s
Tests (1, Spatial) / Tests - Spatial	3m 31s
Tests (lts, Core) / Tests - Core	2m 43s
Tests (lts, IO) / Tests - IO	2m 45s
Tests (lts, Spatial) / Tests - Spatial	3m 32s
Tests (pre, Core) / Tests - Core	3m 31s
Tests (lts, Extensions) / Tests - Extensions	2m 42s
Tests (pre, Extensions) / Tests - Extensions	3m 38s
Tests (pre, IO) / Tests - IO	1m 20s
Tests (pre, Spatial) / Tests - Spatial	3m 29s
	35m 54s

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