step_builder.go (3 lines):
	- line 31: // TODO: error is ignored here
	- line 73: // TODO: error is ignored here
	- line 122: // TODO: error is ignored here


step_instance.go (1 line):
	- line 73: // TODO: bubble up the error somehow


job_definition.go (1 line):
	- line 14: GetStep(stepName string) (StepDefinitionMeta, bool) // TODO: switch bool to error