add method to UriUtil to ensure that href is URI format (prepend file:// and conform to uri spec if a local file)
add method to UriUtil to ensure that href is URI format (prepend
file:// and conform to uri spec if a local file)

sternshus/Arelle,sternshus/Arelle,sternshus/Arelle,sternshus/Arelle,sternshus/Arelle