when handling child nodes of persName in footnotes, select only elements, not other kinds of nodes (esp. text)
properly wrap names or persNames with span@class
handle contents of persName and name in more nuanced way: when there are TEI child elements present, process them without processing text nodes; but when there are no elements present, then process all types of child nodes (esp. text)
eliminate unwanted whitespace after author/editor names in bibliographic/citation listings; fixes #62