lib/catissue/resource.rb
def tolerant_match?(other, attributes)
      attributes.all? { |pa| Resource.tolerant_value_match?(send(pa), other.send(pa)) }
    end
def tolerant_match?(other, attributes)
      attributes.all? { |pa| Resource.tolerant_value_match?(send(pa), other.send(pa)) }
    end
Returns whether each of the given attribute values either equals the
 respective other attribute value or one of the values is nil or 'Not Specified'.

 @param [Resource] other the domain object to compare
 @param [<Symbol>] attributes the  attributes to compare
 @return [Boolean} whether this domain object is a tolerant match with the other
   domain object on the given attributes