More customizability #175

Job	Run time
IntegrationTest (QuantumOperatorDefinitions) / QuantumOperatorDefinitions	4m 40s
IntegrationTest (FusionTensors) / FusionTensors	1m 19s
IntegrationTest (ITensorBase) / ITensorBase	2m 56s
IntegrationTest (NamedDimsArrays) / NamedDimsArrays	4m 31s
IntegrationTest (GradedArrays) / GradedArrays	8m 50s
	22m 16s

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