code: public List<JApiClass> compare(JApiCmpArchive oldArchive, JApiCmpArchive newArchive) {
  		return compare(Collections.singletonList(oldArchive), Collections.singletonList(newArchive));
  	}
docs: Compares the two given archives.
  
  @param oldArchive the old version of the archive
  @param newArchive the new version of the archive
  @return a list which contains one instance of {@link japicmp.model.JApiClass} for each class found in one of the two archives
  @throws JApiCmpException if the comparison fails