added ProcessingTypeProcessor
more work for ProcessingTypeProcessor and SpecimenLinkTypeProcessor
added tests for processing type processor
Added stubs in SpecimenLinkTypeProcessorSpec
working on SpecimenLinkTypeProcessorSpec
working on SpecimenLinkTypeProcessorSpec
working on SpecimenLinkTypeProcessorSpec
working on SpecimenLinkTypeProcessorSpec
converted all validations to use ValidationNel
fixed validations in SpecimenLinkType.create.

was having problems because of 13 validations
Working on tests fror SpecimenLinkTypeProcessorSpec
fixed bug in ConcurrencySafeEntity

Was not handling negative version numbers correctly.
using helpers in ProcessingTypeProcessorSpec
fixed askAddCommand and askUpdateCommand in SpecimenLinkTypeProcessorSpec
using helpers when sending commands
replaced tabs with spaces
using helpers when sending commands
more tests in SpecimenLinkTypeProcessorSpec
working on making tests in SpecimenLinkTypeProcessorSpec pass
added new test stub