Tests

Add API functions for the other kinds of matrixes that a CRN ODE system can be factored into #170

Job	Run time
Tests (1, Core) / Tests - Core	1m 52s
Tests (1, IO) / Tests - IO	1m 4s
Tests (1, Extensions) / Tests - Extensions	1m 3s
Tests (1, Spatial) / Tests - Spatial	1m 52s
Tests (lts, Core) / Tests - Core	1m 55s
Tests (lts, Extensions) / Tests - Extensions	1m 55s
Tests (lts, IO) / Tests - IO	1m 54s
Tests (pre, Core) / Tests - Core	1m 51s
Tests (lts, Spatial) / Tests - Spatial	1m 54s
Tests (pre, IO) / Tests - IO	1m 35s
Tests (pre, Spatial) / Tests - Spatial	1m 50s
Tests (pre, Extensions) / Tests - Extensions	1m 58s
	20m 43s

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