code: protected void enrichWithGenerics(Set<BioPAXElement> seed, Set<BioPAXElement> all)
  	{
  		Set addition;
  		if (type == Type.TO_GENERAL) addition = access(upperGenAcc, seed, all);
  		else addition = access(lowerGenAcc, seed, all);
  		
  		all.addAll(addition);
  		seed.addAll(addition);
  
  		enrichWithCM(seed, all);
  	}
docs: Gets the linked homologies and then switches to complex-relationship mode. These two enrich
  methods call each other recursively.
  @param seed to get the linked elements from
  @param all already found links